A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
Estetrol intermediate. Group: Biochemicals. Alternative Names: 3-(Phenylmethoxy)-estra-1,3,5(10),15-tetraen-17-one Cyclic 1,2-Ethanediyl Acetal. Grades: Highly Purified. CAS No. 534572-67-3. Pack Sizes: 50mg. US Biological Life Sciences.
Worldwide
3-O-Benzyl 16a-hydroxy estrone
3-O-Benzyl 16a-hydroxy estrone. Group: Biochemicals. Alternative Names: 3-(Benzyloxy)-16a-hydroxy-estra-1,3,5(10)-trien-17-one. Grades: Highly Purified. CAS No. 14982-20-8. Pack Sizes: 2mg, 5mg, 10mg, 25mg, 50mg. Molecular Formula: C25H28O3. US Biological Life Sciences.
Worldwide
3-O-Benzyl 16-Epiestriol
Protected 16-Epiestriol. Group: Biochemicals. Alternative Names: 3-(Benzyloxy)-estra-1,3,5(10)-triene-16 β,17 β-diol; (16 β,17 β)-3-(Phenylmethoxy)-estra-1,3,5(10)-triene-16,17-diol. Grades: Highly Purified. CAS No. 33116-58-4. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
3-O-Benzyl-16-O-benzoyl 16-Epiestriol
Protected 16-Epiestriol. Group: Biochemicals. Alternative Names: (16 β,17 β)- 3-(Phenylmethoxy)estra-1,3,5(10)-triene-16,17-diol 16-Benzoate. Grades: Highly Purified. CAS No. 1315629-96-9. Pack Sizes: 25mg. US Biological Life Sciences.
Worldwide
3-O-Benzyl 17a-estradiol
3-O-Benzyl 17a-estradiol. Group: Biochemicals. Alternative Names: (17a)-3-(Phenylmethoxy)-estra-1,3,5(10)-trien-17-ol; 3-(Benzyloxy)-17a-hydroxyestra-1,3,5(10)-triene. Grades: Highly Purified. CAS No. 23880-59-3. Pack Sizes: 2mg, 5mg, 10mg, 25mg, 50mg. Molecular Formula: C25H30O2. US Biological Life Sciences.
Worldwide
3-O-Benzyl-17β-Dihydro Equilin
3-O-Benzyl-17β-Dihydro Equilin is a derivative of Equilin, which is an estrogen, or an agonist of the estrogen receptors ERα and ERβ. Synonyms: Estra-1,3,5(10),7-tetraene-3,17β-diol 3-Benzoate; (17β)-Estra-1,3,5(10),7-tetraene-3,17-diol 3-Benzoate; Estra-1,3,5(10), 7-tetraene-3,17-diol, 3-benzoate, (17β)-; Equilin Impurity 11. Grade: >98%. CAS No. 26789-44-6. Molecular formula: C25H26O3. Mole weight: 374.47.
3-O-Benzyl 17-Epiestriol
Protected 17-Epiestriol. Group: Biochemicals. Alternative Names: 3-(Benzyloxy)-estra-1,3,5(10)-triene-16α,17α-diol; (16α,17α)-3-(Phenylmethoxy)-estra-1,3,5(10)-triene-16,17-diol. Grades: Highly Purified. CAS No. 1316291-21-0. Pack Sizes: 2.5mg. US Biological Life Sciences.
3-O-Benzyl-2-deoxy-1,6-di-O-methoxyphenyl-2-phthalimido-b-D-glucopyranoside is an outstanding biomedical agent demonstrating remarkable inhibition in research of tumor cells. Notably, it adeptly and selectively targets malignant cells, effectively obstructing their uncontrolled growth. Molecular formula: C35H33NO9. Mole weight: 611.64.
3-O-Benzyl-2-deoxy-D-arabinopyranose
3-O-Benzyl-2-deoxy-D-arabinopyranose is a crucial compound extensively used in the biomedical industry acting as a key starting material in the research and development of various drugs, particularly those employed in research of cancer and viral infections. This compound exhibits remarkable potential in the development of novel therapies and helps researchers explore new avenues in compound. Molecular formula: C12H16O4. Mole weight: 224.25.
An intermediate in the preparation of 2,3-Desisopropylidene Topiramate, a metabolite of Topiramate. Synonyms: (3aR,6R,7R,7aR)-7-(benzyloxy)-6-(hydroxymethyl)-2,2-dimethyltetrahydro-4H-[1,3]dioxolo[4,5-c]pyran-6-ol. Molecular formula: C16H22O6. Mole weight: 310.34.
3-O-Benzyl 4-C-(methanesulfonyloxymethyl)-5-O-methanesulfonyl-1,2-O-isopropylidene-alpha-D-ribofuranose is a versatile compound utilized in biomedicine. With its unique structure, it serves as a key intermediate in the synthesis of various drugs and pharmaceuticals. Synonyms: 3-O-Benzyl-1,2-O-isopropylidene-4-C-[(methanesulfonyloxy)methyl]-5-O-methanesulfonyl-a-D-erythro-pentofuranoside. CAS No. 293751-01-6. Molecular formula: C18H26O10S2. Mole weight: 466.53.
3-O-Benzyl-4-(hydroxymethyl)-1,2-O-isopropylidene-α-D-ribofuranose, a pivotal constituent extensively utilized in the biomedical sector, exhibits paramount implications in the advancement of pharmaceuticals aimed at combatting diverse ailments, encompassing neoplastic conditions, viral pathologies, and metabolic dysfunctions. Synonyms: 3-O-Benzyl-4-C-Hydroxymethyl-1,2-O-Isopropylidene-α-D-Ribofuranose; ((3aR,6S,6aR)-6-(Benzyloxy)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxole-5,5-diyl)dimethanol; 1-O,2-O-Isopropylidene-3-O-benzyl-4-(hydroxymethyl)-alpha-D-ribofuranose; 4-C-(Hydroxymethyl)-1,2-O-(1-methylethylidene)-3-O-(phenylmethyl)-α-D-erythro-pentofuranose. Grade: ≥97% by HPLC. CAS No. 63593-03-3. Molecular formula: C16H22O6. Mole weight: 310.34.
3-O-Benzyl-4-O-methyl Tolcapone-d4
3-O-Methyl Tolcapone derivative. A metabolite of catechol-O-Methyl transferase inhibitor Tolcapone. Group: Biochemicals. Alternative Names: (3-Benzyloxy-4-methoxy-5-nitrophenyl)(4-methylphenyl)methanone-d4; 3-Benzyloxy-4-methoxy-4'-methyl-5-nitrobenzophenone-d4. Grades: Highly Purified. Pack Sizes: 1mg. US Biological Life Sciences.
3-O-Benzyl-5,6-di-O-acetyl-1,2-O-isopropylidene-α-D-glucofuranose is a prominent constituent within the biomedical sector, presenting a substantial compound with inherent implications for assorted disorders and pathological states. Renowned for its exceptional attributes, this entity holds significant prowess in the design and research and development of pharmacotherapeutic interventions targeted towards specific maladies. CAS No. 18006-25-2. Molecular formula: C20H26NO8. Mole weight: 394.43.
3-O-Benzyl-6-O-tert-butyldimethylsilyl-1,2-O-isopropylidene-a-D-glucofuranose is an omnipotent substrate pervasively employed in the biomedical realm, manifesting intricate molecular complexities of utmost scientific significance. Its diverse pharmacokinetic attributes bestow it with uncharted potential in research of an array of ailments encompassing neoplasms, metabolic disorders and infectious states of viral etiology. Molecular formula: C22H36O6Si. Mole weight: 424.60.
3-O-Benzyl-a-D-mannopyranose
3-O-Benzyl-α-D-mannopyranose is a noteworthy compound extensively employed in the realm of compound, standing as an indispensable entity for the exploration and development of innovative pharmacological agents and therapeutic practices. Its pivotal significance resonates remarkably in the realm of studying sundry ailments, encompassing malignancies, diabetes mellitus is and cardiorespiratory pathologies. Synonyms: 3-O-Benzyl-alpha-D-threo-hexopyranose. CAS No. 65877-63-6. Molecular formula: C13H18O6. Mole weight: 270.28.
3-O-Benzyl-α,β-D-mannopyranoside
3-O-Benzyl-α,β-D-mannopyranoside, a remarkable biomedicine, holds immense promise for combating diverse ailments. Boasting potent anti-inflammatory and anticancer attributes, this compound has captured the attention of researchers and scientists seeking groundbreaking therapeutic solutions. Its molecular structure, coupled with unique properties, positions it as an invaluable resource in unraveling the intricate relationship between carbohydrates and the progression and management of diseases. Synonyms: 3-O-Benzyl-D-mannose. CAS No. 65926-00-3. Molecular formula: C13H18O6. Mole weight: 270.28.
3-O-Benzyl-b-D-glucose
3-O-Benzyl-b-D-glucose. Group: Biochemicals. Grades: Reagent Grade. CAS No. 10230-17-8. Pack Sizes: 100mg, 250mg, 1g. US Biological Life Sciences.
3-O-Benzyl-D-glucopyranose is an esteemed chemical compound of immense significance in the biomedical industry, prowessing in research of a multitude of diseases, such as cancer and diabetes. With its captivating and distinctive attributes, 3-O-Benzyl-D-glucopyranose heralds a dawn of unprecedented possibilities in the realm of biomedical science. Synonyms: 3-O-Benzyl-beta-D-glucose; D-Glucose,3-O-(phenylmethyl)-. CAS No. 10230-17-8. Molecular formula: C13H18O6. Mole weight: 270.28.
3-O-Benzyl Estetrol 17-Acetate
Protected Estetrol. Group: Biochemicals. Alternative Names: (15α, 16α, 17 β)-3-(Phenylmethoxy)-estra-1,3,5(10)-triene-15,16,17-triol 17-Acetate; (15α, 16α, 17 β)-3-(Benzyloxy)-estra-1,3,5(10)-triene-15,16,17-triol 17-Acetate. Grades: Highly Purified. CAS No. 690996-24-8. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
3-O-Benzyl estradiol
3-O-Benzyl estradiol. Group: Biochemicals. Alternative Names: (17b)-3-(Phenylmethoxy)-estra-1,3,5(10)-trien-17-ol; 3-(Benzyloxy)-estra-1,3,5(10)-trien-17b-ol; BLE 99051. Grades: Highly Purified. CAS No. 14982-15-1. Pack Sizes: 10mg, 25mg, 50mg, 100mg, 250mg. Molecular Formula: C25H30O2. US Biological Life Sciences.
Worldwide
3-O-Benzyl Estradiol-d3
Protected Estradiol. Group: Biochemicals. Alternative Names: (17 β)-3-(Phenylmethoxy)-estra-1,3,5(10)-trien-17-ol-d3; 3-(Benzyloxy)-estra-1,3,5(10)-trien-17 β-ol-d3; BLE 99051-d3; Estradiol-d3 3-Benzyl Ether. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
3-O-Benzyl Estratetraenol
3-O-Benzyl Estratetraenol. Group: Biochemicals. Alternative Names: 3-(Phenylmethoxy)-estra-1,3,5(10),16-tetraene; 3-(Benzyloxy)-estra-1,3,5(10),16-tetraene. Grades: Highly Purified. CAS No. 23880-57-1. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
3-O-Benzyl Estratetraenol Iodide
AN intermediate in the synthesis of 17-Epiestriol a metabolite of Estradiol. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 50mg, 100mg. Molecular Formula: C25H27IO. US Biological Life Sciences.
Worldwide
3-O-Benzyl Estriol
Protected Estriol. Group: Biochemicals. Alternative Names: (16α,17 β)-3-(Phenylmethoxy)-estra-1,3,5(10)-triene-16,17-diol; 3-(Benzyloxy)-estra-1,3,5(10)-triene-16α,17 β-diol; Estriol 3-Benzyl Ether. Grades: Highly Purified. CAS No. 18650-87-8. Pack Sizes: 100mg. US Biological Life Sciences.
Worldwide
3-O-Benzyl Estriol-d1
Protected Estriol. Group: Biochemicals. Alternative Names: (16α,17 β)-3-(Phenylmethoxy)-estra-1,3,5(10)-triene-16,17-diol-d1; 3-(Benzyloxy)-estra-1,3,5(10)-triene-16α,17 β-diol-d1; Estriol-d1 3-Benzyl Ether. Grades: Highly Purified. Pack Sizes: 2.5mg. US Biological Life Sciences.
Worldwide
3-O-Benzyl Estrone
Protected Estrone. Group: Biochemicals. Alternative Names: 3-(Phenylmethoxy)-estra-1,3,5(10)-trien-17-one; 3-(Benzyloxy)-estra-1,3,5(10)-trien-17-one; 3-(Benzyloxy)estra-1,3,5(10)-trien-17-one; 3-Benzyloxyestra-1,3,5(10)triene-17-one; 3-O-Benzylestrone; BLE 99049; Estrone 3-Benzyl Ether; Estrone Benzyl Ether. Grades: Highly Purified. CAS No. 858-98-0. Pack Sizes: 50mg. US Biological Life Sciences.
Worldwide
3-O-Benzyl Estrone Monoethylene Ketal
Estetrol intermediate. Group: Biochemicals. Alternative Names: 3-(Phenylmethoxy)-estra-1,3,5(10)-trien-17-one Cyclic 1,2-Ethanediyl Acetal; 3-(Benzyloxy)-estra-1,3,5(10)-trien-17-one Cyclic 1,2-Ethanediyl Acetal. Grades: Highly Purified. CAS No. 162784-26-1. Pack Sizes: 100mg. US Biological Life Sciences.
Worldwide
3'-O-Benzyl Sofosbuvir Desphosphate
3'-O-Benzyl Sofosbuvir Desphosphate may be a metabolite of Sofosbuvir, a prodrug that is metabolized to the active antiviral agent 2'-deoxy-2'-α-fluoro-β-C-methyluridine-5'-monophosphate and is currently being investigated in phase 3 clinical trials for the treatment of hepatitis C. Studies have profiled PSI-7977 as a nucleotide inhibitor of hepatitis C virus, exerting selective inhibitory effects towards HCV NS5B polymerase. Synonyms: 1-((2R,3R,4R,5R)-4-(Benzyloxy)-3-fluoro-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione. Molecular formula: C17H19FN2O5. Mole weight: 350.34.
3-O-β-D-Galactopyranosyl-β-L-arabinopyranose
3-O-β-D-Galactopyranosyl-β-L-arabinopyranose is a vital compound in compound used in the research of various diseases exhibiting potential therapeutic effects in research of cancer cells by disrupting their growth pathways. It serves as a fundamental component in developing targeted therapies and drug delivery systems to enhance research efficacy and minimize side effects. Synonyms: Gal(b1-3)b-Ara; beta-D-Galacto-hexopyranosyl-(1->3)-beta-L-arabino-pentopyranose; (2S,3R,4S,5S)-4-(((2S,3R,4S,5R,6R)-3,4,5-Trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2,3,5-triol. CAS No. 141661-82-7. Molecular formula: C11H20O10. Mole weight: 312.27.
3-O-β-D-Galactopyranosyl-D-galactose
3-O-β-D-Galactopyranosyl-D-galactose is a disaccharide formed on partial acid hydrolysis of the gum. Synonyms: 3-O-β-D-Galactopyranosyl-galactose; D-3-O-β-D-Galactopyranosyl-galactose; 3-O-β-D-Galactopyranosyl-D-galactose; β-D-Galactosyl-(1→3)-D-galactose. CAS No. 5188-48-7. Molecular formula: C12H22O11. Mole weight: 342.30.
3-O-β-D-Glucopyranosyl Alternariol-9-methyl Ether
3-O-β-D-Glucopyranosyl Alternariol-9-methyl Ether is a derivative of Alternariol which is an alternaria mycotoxin and genotoxin, found in common edible crops. Alternariol inhibits the activity of various DNA-topoisomerases, increasing the rate of DNA strand breaks. Alternariol 3-Sulfate Ammonium Salt is currently suspected of being formed during metabolism in contaminated plants. Synonyms: Lysilactone A; 3-(β-D-Glucopyranosyloxy)-7-hydroxy-9-methoxy-1-methyl-6H-dibenzo[b,d]pyran-6-one. CAS No. 1422465-59-5. Molecular formula: C21H22O10. Mole weight: 434.39.
3-O- β -D-Glucopyranosyl platycodigenin
3-O- β -D-Glucopyranosyl platycodigenin. Group: Biochemicals. CAS No. 38337-25-6. Pack Sizes: 5mg. US Biological Life Sciences.
3-O-(β-galactopyranosyl)D-glucitol is a Lactitol impurity. Lactitol is an excipient in some prescription drugs, e.g., Adderall. Lactitol is a sugar alcohol used as a replacement bulk sweetener for low calorie foods. It is also used medically as a laxative. Synonyms: 3-O-(β-D-Galactopyranosyl)-D-glucitol. Molecular formula: C12H24O11. Mole weight: 344.31.
3'-O-(β-Hydroxyethyl)diosmin
3'-O-(β-Hydroxyethyl)diosmin is a derivative of Diosmin, a naturally occurring flavonic glycoside. Synonyms: 7-[[6-O-(6-Deoxy-α-L-mannopyranosyl)-β-D-glucopyranosyl]oxy]-5-hydroxy-2-[3-(2-hydroxyethoxy)-4-methoxyphenyl]-4H-1-benzopyran-4-one; Hydrosmin. CAS No. 80604-68-8. Molecular formula: C30H36O16. Mole weight: 652.6.
3-O-Carboxymethyl-D-glucose is a remarkable biomedical substance, showcasing immense potential in countering oxidative stress. Furthermore, its emerging role in the comprehensive research of neurodegenerative pathologies and cardiovascular maladies reinforces its invaluable stature within the biomedical sector. Synonyms: 3-O-(Carboxymethyl)-D-glucose; 2-(((2R,3S,4R,5R)-2,4,5,6-tetrahydroxy-1-oxohexan-3-yl)oxy)acetic acid. CAS No. 95350-39-3. Molecular formula: C8H14O8. Mole weight: 238.19.
3-Octadecylthiophene
3-Octadecylthiophene. Group: Biochemicals. Grades: Highly Purified. CAS No. 104934-54-5. Pack Sizes: 1g, 10g, 25g. Molecular Formula: C22H40S. US Biological Life Sciences.
3-Octyn-1-ol 98+%. Group: Biochemicals. Grades: Reagent Grade. CAS No. 14916-80-4. Pack Sizes: 1g, 5g, 25g. US Biological Life Sciences.
Worldwide
3'-O-Decarbamoylirumamycin
3'-O-Decarbamoylirumamycin is a 20-membered macrolide antibiotic produced by Str. subflavus subsp. irumaensis. It has activity against phytopathogenic fungi such as Pyricularia oryzae and Sclerotinia sclerotiorum. Synonyms: 23-Deoxy-23,24-deoxy-17-hydroxyventuridin; Venturicidin B, 23-deoxy-23,24-epoxy-17-hydroxy-. CAS No. 99486-52-9. Molecular formula: C40H64O11. Mole weight: 720.93.
3-O-De(cladinosyl)-8,9,10,11-tetradehydro-9-deoxo-11,12-dideoxy-9,12-epoxy Clarithromycin is an impurity of Clarithromycin. Clarithromycin EP impurity K. Group: Biochemicals. Alternative Names: 3-O-De(2,6-dideoxy-3-C-methyl-3-O-methyl-α-L-ribo-hexopyranosyl)-8,9,10,11-tetradehydro-9-deoxo-11,12-dideoxy-9,12-epoxy-6-O-methylerythromycin. Grades: Highly Purified. CAS No. 127157-35-1. Pack Sizes: 5mg. US Biological Life Sciences.
Worldwide
3-O-Demethyl-2'-N-glylfortimicin B
3-O-Demethyl-2'-N-glylfortimicin B is an aminoglycoside antibiotic produced by Micromonospora olvoasterospora MK-70, MK-80 and Mm 744. CAS No. 71640-65-8. Molecular formula: C16H33N5O6. Mole weight: 391.46.
3-O-Demethylfortimicin A
3-O-Demethylfortimicin A is an aminoglycoside antibiotic produced by Micromonospora olvoasterospora MK-70 and Mm 744. It has anti-gram-positive and negative bacteria activity. Synonyms: A 49759. CAS No. 74842-47-0. Molecular formula: C16H33N5O6. Mole weight: 391.46.
3-O-Demethylfortimicin KE
3-O-Demethylfortimicin KE is an aminoglycoside antibiotic produced by Micromonospora olvoasterospora MK-70, MK-80 and Mm 744. CAS No. 74667-48-4. Molecular formula: C13H28N4O5. Mole weight: 320.38.
3-O-Demethyl Ivermectin B1a is an impurity of Ivermectin, an antiparasitic drug that is active against a wide variety of nematode and arthropod parasites and is used to treat scabies and lice in humans. Synonyms: 3-O-Demethyl Ivermectin H2B1a. CAS No. 431070-70-1. Molecular formula: C47H72O14. Mole weight: 861.10.
3-O-Demethylmonensin A
3-O-Demethylmonensin A is a polyether antibiotic produced by Streptomyces cinnamonensis LO-63. Synonyms: 3-O-Demethylmonensin. CAS No. 92096-16-7. Molecular formula: C35H60O11. Mole weight: 656.84.
3-O-Demethylmonensin B
3-O-Demethylmonensin B is a polyether antibiotic produced by Streptomyces cinnamonensis LO-63. Synonyms: 3-Hydroxy-4-(9-hydroxy-2-{5'-[6-hydroxy-6-(hydroxymethyl)-3,5-dimethyloxan-2-yl]-2,3'-dimethyl[2,2'-bioxolan]-5-yl}-2,8-dimethyl-1,6-dioxaspiro[4.5]decan-7-yl)-2-methylpentanoic acid. CAS No. 109345-56-4. Molecular formula: C34H58O11. Mole weight: 642.82.
3'-O-Demethyl mutactimycin
3'-O-Demethyl mutactimycin is produced by Nocardia transvalensis. It has moderate anti-Gram-positive bacteria activity and anti-tumor cell activity such as P388, L1210 and HeLa. Molecular formula: C27H30O11. Mole weight: 530.52.
3-O-Demethylscensidin
It is a new chlorine-containing depsidone from Lichens. CAS No. 86191-24-4. Molecular formula: C16H12Cl2O5. Mole weight: 355.17.
3-O-Des(3-amino-α-D-glucopyranosyl) Amikacin
3-O-Des(3-amino-α-D-glucopyranosyl) Amikacin is a derivative of Amikacin. Amikacin is an antibacterial compound used in the treatment of diseases and illnesses arising from gram-negative bacterium. Synonyms: Amikacin Impurity 4; 4-O-(6-Amino-6-deoxy-α-D-glucopyranosyl)-N1-[(2S)-4-amino-2-hydroxy-1-oxobutyl]-2-deoxy-D-Streptamine; (2S)-4-Amino-N-{(1R,2S,3R,4R,5S)-5-amino-4-[(6-amino-6-deoxy-α-D-glucopyranosyl)oxy]-2,3-dihydroxycyclohexyl}-2-hydroxybutanamide; Amikacin Impurity 11; Butanamide, 4-amino-N-[(1R,2S,3R,4R,5S)-5-amino-4-[(6-amino-6-deoxy-α-D-glucopyranosyl)oxy]-2,3-dihydroxycyclohexyl]-2-hydroxy-, (2S)-. Grade: >98%. CAS No. 1793053-90-3. Molecular formula: C16H32N4O9. Mole weight: 424.45.
3-O-Desmethyl Etoposide
An Etoposide metabolite. Group: Biochemicals. Alternative Names: (5R,5aR,8aR,9S)-5-(3,4-Dihydroxy-5-methoxyphenyl)-9-[[4,6-O-(1R)-ethylidene- β-D-glucopyranosyl]oxy]-5, 8, 8a, 9-tetrahydro-furo[3', 4':6, 7]naphtho[2, 3-d]-1, 3-dioxol-6(5aH)-one; 3'-Demethyl Etoposide; 3'-O-Demethyletoposide. Grades: Highly Purified. CAS No. 100007-54-3. Pack Sizes: 10mg. US Biological Life Sciences.