A directory of where to buy chemicals in the USA, including: distributors, industrial manufacturers, bulk supplies and wholesalers of raw ingredients & finished goods.
Sidahuridine impurity 2. Uses: For analytical and research use. Molecular formula: C11H18F2N2O5. Mole weight: 296.27. Catalog: APB11977.
Sidahuridine impurity 3
Sidahuridine impurity 3. Uses: For analytical and research use. Molecular formula: C18H26F4N4O9. Mole weight: 518.42. Catalog: APB11979.
Sidahuridine impurity 4
Sidahuridine impurity 4. Uses: For analytical and research use. Molecular formula: C18H26F4N4O9. Mole weight: 518.42. Catalog: APB11980.
Sideritoflavone
Sideritoflavone. Alternative Names: 5,3',4'-Trihydroxy-6,7,8-trimethoxyflavone. CAS No. 70360-12-2. Product ID: FFC-AR-70360122. Molecular formula: C18H16O8. Mole weight: 360.31. IUPAC Name: 2-(3,4-dihydroxyphenyl)-5-hydroxy-6,7,8-trimethoxychromen-4-one. Alfa Chemistry - ISO 9001:32057 Certified.
Siderochelin A
It is produced by the strain of Nocardia sp. SC 113, Act. sp. 69-209B-89. It has the effect against aerobic and anaerobic bacteria, and has anti-Gram-positive bacteria, Gram-negative bacteria and fungal effects but no anti-Candida albicans effect. The antibacterial activity of Siderochelin A is weaker than iron chelating agent Apoferrosamine. Fe2+, Fe3+, CO2+ and Zn2+ have antagonistic effects on Siderochelin A. Alternative Names: 2H-Pyrrole-2-carboxamide, 3,4-dihydro-4-hydroxy-5-(3-hydroxy-2-pyridinyl)-4-methyl-, (2S,4R)-; 2H-Pyrrole-2-carboxamide, 3,4-dihydro-4-hydroxy-5-(3-hydroxy-2-pyridinyl)-4-methyl-, (2S-trans)-; Antibiotic EM 4940A. CAS No. 77550-87-9. Molecular formula: C11H13N3O3. Mole weight: 235.24.
Siderochelin B
It is produced by the strain of Nocardia sp. SC 113, Act. sp. 69-209B-89. It has only weak effect against individual strains, such as E. coli. Alternative Names: (2R)-3,4-Dihydro-4β-hydroxy-5-(3-hydroxypyridin-2-yl)-4-methyl-2H-pyrrole-2β-carboxamide. CAS No. 77518-26-4. Molecular formula: C11H13N3O3. Mole weight: 235.24.
Siderochelin C
It is produced by the strain of Act. sp. 69-209B-89. It has only weak effect against individual strains, such as E. coli. Alternative Names: (2S)-3,4-Dihydro-4β-hydroxy-5-(3-hydroxypyridin-2-yl)-4-ethyl-2H-pyrrole-2α-carboxamide; (2S,4R,5Z)-4-ethyl-4-hydroxy-5-(3-oxopyridin-2-ylidene)pyrrolidine-2-carboxamide; 2H-Pyrrole-2-carboxamide, 4-ethyl-3,4-dihydro-4-hydroxy-5-(3-hydroxy-2-pyridinyl)-, (2S-trans)-. CAS No. 93973-61-6. Molecular formula: C12H15N3O3. Mole weight: 249.27.
Sideroxylonal A
Sideroxylonal A can be extracted from the branch of Eucalyptus globulus. Alternative Names: 3-epi-Sideroxylonal B; 4-epi-Sideroxylonal C; 8-Formylloxophlebal A. Grades: >98%. CAS No. 145382-68-9. Molecular formula: C26H28O10. Mole weight: 500.5.
Sieber Amide Resin
Sieber amide resin has been developed for the Fmoc-SPPS of fully t-butyl protected peptide amides. Alternative Names: Xanthenyl linker resin. Grades: 100-200 mesh,1% DVB,0.3-0.8mmol/g. Molecular formula: C36H29NO4. Mole weight: 539.20965841.
Sieber Amide Resin
Sieber amide resin is a highly acid labile amide resin. Alternative Names: 9-(Fmoc-amino)xanthen-3-yloxy-methyl, polymer bound.
Sieber linker. Group: Biochemicals. Alternative Names: 3-Hydroxy-xanthen-9-one. Grades: Highly Purified. CAS No. 3722-51-8. Pack Sizes: 2g, 5g. US Biological Life Sciences.
Worldwide
Sieber Resin
Sieber Resin. Alternative Names: 9-Fmoc-aminoxanthen-3-yloxy-polystyrene resin.
Sieboldin
Sieboldin is an esteemed compound, aiding in the research of cancer therapy, particularly as an influential adversary against breast cancer. By effectively obstructing the signaling pathways intricately linked to the progression of tumor cells. Alternative Names: 3-(3,4-Dihydroxyphenyl)-1-[4-(β-D-glucopyranosyloxy)-2,6-dihydroxyphenyl]-1-propanone; 4-(3,4-Dihydroxyhydrocinnamoyl)-3,5-dihydroxyphenyl β-D-glucopyranoside; 3-Hydroxyphloretin 4'-glucoside; 3-Hydroxyphloretin 4'-β-D-glucoside. Grades: 98%. CAS No. 18777-73-6. Molecular formula: C21H24O11. Mole weight: 452.41.
Sifalimumab
Sifalimumab (MEDI-545) is an anti-IFNα monoclonal antibody. Sifalimumab suppresses the abnormal immune activity by binding to multiple interferon-alpha (IFNα) subtypes. Sifalimumab can be used in systemic lupus erythematosus (SLE) research[1][2]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: MEDI-545; MDX 1103. CAS No. 1006877-41-3. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-P99219.
SIFSIX-3-Ni
Augment your research on Biodegradable Polymers with the reliable SIFSIX-3-Ni from CD Bioparticles Drug Delivery. Group: Nickel-based mofs (ni-mof).
Siglure acid
Siglure acid. Group: Biochemicals. Alternative Names: 6-Methylcyclohex-3-ene-1-carboxylic acid. Grades: Highly Purified. CAS No. 10479-42-2. Pack Sizes: 1kg, 2kg, 5kg, 10kg, 25kg. Molecular Formula: C8H12O2. US Biological Life Sciences.
Worldwide
signal peptidase I
The enzyme is found in bacterial membranes and in chloroplast thylakoid membranes. Unaffected by inhibitors of most serine peptidases, but site-directed mutagenesis implicates a Ser/Lys catalytic dyad in activity. Hydrolyses a single bond -Ala?Ala- in M13 phage procoat protein, producing free signal peptide and coat protein. Formerly included in EC 3.4.99.36. Eukaryote signal peptidases that may have somewhat different specificity are known from the endoplasmic reticulum membrane and mitochondrial inner membrane. Type example of peptidase family S26. Group: Enzymes. Synonyms: leader peptidase I; signal proteinase. Enzyme Commission Number: EC 3.4.21.89. CAS No. 65979-36-4. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-4180; signal peptidase I; EC 3.4.21.89; 65979-36-4; leader peptidase I; signal proteinase; Escherichia coli leader peptidase; eukaryotic signal peptidase; eukaryotic signal proteinase; leader peptidase; leader peptide hydrolase; leader proteinase; signal peptidase; pilin leader peptidase; SPC; prokaryotic signal peptidase; prokaryotic leader peptidase; HOSP; prokaryotic signal proteinase; propeptidase; PuIO prepilin peptidase; signal peptide hydrolase; signal peptide peptidase; signalase; bacterial leader peptidase 1; pilin leader peptidase. Cat No: EXWM-4180.
signal peptidase II
An 18-kDa enzyme present in bacterial inner membranes. Inhibited by pepstatin and the antibiotic globomycin. Type example of peptidase family A8. Group: Enzymes. Synonyms: premurein-leader peptidase; prolipoprotein signal peptidase; leader peptidase II; premurein leader proteinase; leader peptidase II. Enzyme Commission Number: EC 3.4.23.36. CAS No. 171715-14-3. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-4273; signal peptidase II; EC 3.4.23.36; 171715-14-3; premurein-leader peptidase; prolipoprotein signal peptidase; leader peptidase II; premurein leader proteinase; leader peptidase II. Cat No: EXWM-4273.
signal-recognition-particle GTPase
Activity is associated with the signal-recognition particle (a protein- and RNA-containing structure involved in endoplasmic-reticulum-associated protein synthesis). Group: Enzymes. Enzyme Commission Number: EC 3.6.5.4. Storage: Store it at +4 ?C for short term. For long term storage, store it at -20 ?C?-80 ?C. Form: Liquid or lyophilized powder. EXWM-4715; signal-recognition-particle GTPase; EC 3.6.5.4. Cat No: EXWM-4715.
Signiferin-2.1
Signiferin-2.1 is an antibacterial peptide isolated from Crinia signifera. It has activity against gram-negative bacteria. Alternative Names: Ile-Ile-Gly-His-Leu-Ile-Lys-Thr-Ala-Leu-Gly-Met-Leu-Gly-Leu. Grades: >96%. Molecular formula: C72H129N19O16S. Mole weight: 1549.00.
Signiferin 2.2
Signiferin 2.2 is an antibacterial peptide isolated from Crinia signifera. It has activity against gram-negative bacteria. Alternative Names: Ile-Ile-Gly-His-Leu-Ile-Lys-Thr-Ala-Leu-Gly-Phe-Leu-Gly-Leu. Grades: >96%. Molecular formula: C76H129N19O16. Mole weight: 1564.95.
Siguazodan
Siguazodan. Group: Biochemicals. Grades: Purified. CAS No. 115344-47-3. Pack Sizes: 10mg, 50mg. US Biological Life Sciences.
Worldwide
Sigvotatug
Sigvotatug (SGN-B6A antibody) is a human IgG1 κ monoclonal antibody against ITGB6. Recommend Isotype Controls: Human IgG1 kappa, Isotype Control (HY-P99001). Sigvotatug can be used as an ADC antibody to synthesize ADC Sigvotatug vedotin (HY-164957)[1]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: SGN-B6A antibody. CAS No. 2764774-90-3. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-P990764.
Sigvotatug vedotin
SGN-B6A is an ADC, which targets integrin beta-6 (ITGB6) through human IgG1 monoclonal antibody Sigvotatug (HY-P990764), and exhibits cytotoxicity against multiple integrin beta-6-positive cancer cell through mitotic inhibitor MMAE (HY-15162)[1]. Uses: Scientific research. Category: Signaling pathways. Alternative Names: SGN-B6A; PF-08046047. CAS No. 2764774-91-4. Pack Sizes: 1 mg; 5 mg; 10 mg. Product ID: HY-164957.
Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, hydrolysis products with silica
Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, hydrolysis products with silica. Alternative Names: PHARMPREP(R) 60 CC; PHOSPHOROUS SILICA; POLYGOPREP(R) 300-50; POLYGOPREP(R) 300-30; POLYGOPREP(R) 300-20; POLYGOPREP(R) 300-12; POLYGOPREP(R) 100-80; POLYGOPREP(R) 100-50. CAS No. 68909-20-6.
Silanamine,1-chloro-N,N,1,1-tetramethyl-
Silanamine,1-chloro-N,N,1,1-tetramethyl-. Alternative Names: 1-chloro-n,n,1,1-tetramethyl-silanamin;(N,N-DIMETHYLAMINO)DIMETHYLCHLOROSILANE;Dimethylaminodimethylchlorosilane;1-chloro-N,N,1,1-tetramethylsilylamine;(N,N-DIMETHYLAMINO)DIMETHYLCHLOROSILANE 95%;Chlorodimethyl(dimethylamino)silane;N-(Chlorodimethylsilyl. CAS No. 18209-60-4. Purity: 96%. Product ID: ACM18209604. Molecular formula: C4H12ClNSi. Mole weight: 137.68. IUPAC Name: N-[chloro(dimethyl)silyl]-N-methylmethanamine. ECNumber: 242-095-3. Alfa Chemistry - ISO 9001:32057 Certified.
Silane, dichlorodimethyl-, reaction products with silica
It is used for thixotropic viscosity control, thickening and stabilizing emulsions, or as a suspending agent in gels and semi-solid preparations. Alternative Names: Silane, dichloro-dimethyl-, reaction products with silica; Hydrophobic Colloidal Anhydrous Silica; Silica, Hydrophobic Colloidal; Aerosil R972; Silica dimethyl silylate; Silicic acid, silylated; Silicon dioxide, silanated; Hydrophobic colloidal silica. CAS No. 68611-44-9. Molecular formula: C2H6Cl2Si.SiO2. Mole weight: 189.14.
Silane,dichlorodipentyl-
Silane,dichlorodipentyl-. Alternative Names: DICHLORODI-N-PENTYLSILANE;DI-N-PENTYLDICHLOROSILANE;Dichlorodipentylsilane. CAS No. 18037-39-3. Molecular formula: C10H22Cl2Si. Mole weight: 241.27. Purity: >90.0%(GC). IUPAC Name: dichloro(dipentyl)silane. SMILES: CCCCC[Si](CCCCC)(Cl)Cl.
Silane,ethenylmethoxydimethyl-
Silane,ethenylmethoxydimethyl-. Alternative Names: DIMETHYLVINYLMETHOXYSILANE; methoxydimethylvinylsilane; Ethenyl(methoxy)dimethylsilane; Methoxyvinyldimethylsilane; Vinyldimethylmethoxysilane. CAS No. 16546-47-7. Molecular formula: C5H12 O Si. Mole weight: 116.23.
The surface of the supperparamagnetic Fe3O4 nanoparticle is covalently functionalized with rich SiOH groups, and can be used for further functionalization.
Silanol-Terminated Polydiphenylsiloxane
Silanol-Terminated Polydiphenylsiloxane. CAS No. 63148-59-4.
Silanol-trimethylsilyl modified Q Resin
Silanol-trimethylsilyl modified Q Resin. Alternative Names: Trimethylsilyl silicate; Silicic acid, trimethylsilyl ester; SR 1000 Resin; MQ Silanol Resin. CAS No. 56275-01-5. Molecular formula: C3H10O3Si2. Mole weight: 150.2807.
Silatrane
Silatrane. CAS No. 283-60-3. Molecular formula: C6H13NO3Si. Mole weight: 174.25.
Sildenafil
1g Pack Size. Group: Bioactive Small Molecules, Research Organics & Inorganics. Formula: C22H30N6O4S. CAS No. 139755-83-2. Prepack ID 23415560-1g. Molecular Weight 474.58. See USA prepack pricing.
Sildenafil
Sildenafil (UK-92480) is a potent phosphodiesterase type 5 (PDE5) inhibitor with an IC50 of 5.22 nM. Uses: Scientific research. Category: Signaling pathways. Alternative Names: UK-92480. CAS No. 139755-83-2. Pack Sizes: 10 mM * 1 mL in DMSO; 50 mg; 100 mg; 200 mg; 500 mg; 1 g; 5 g; 10 g. Product ID: HY-15025.
Sildenafil
An orally active selective type 5 cGMP phosphodiesterase inhibitor. Group: Biochemicals. Alternative Names: 1-[[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methylpiperazine; 5-[2-Ethoxy-5-[ (4-methyl-1-piperazinyl) sulfonyl]phenyl]-1, 6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4, 3-d]pyrimidin-7-one. Grades: Highly Purified. CAS No. 139755-83-2. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
Sildenafil
Sildenafil. Categories: sildenafil; 139755-83-2.
CA, FL & NJ
Sildenafil Amide Impurity
Sildenafil Amide Impurity. Uses: For analytical and research use. CAS No. 139756-03-9. Molecular formula: C17H22N4O3. Mole weight: 330.39. Catalog: APB139756039.
Sildenafil citrate
Sildenafil citrate is a potent phosphodiesterase type 5 (PDE5) inhibitor with IC50 of 5.22 nM. Uses: Scientific research. Category: Signaling pathways. Alternative Names: UK-92480 citrate. CAS No. 171599-83-0. Pack Sizes: 10 mM * 1 mL in DMSO; 50 mg; 100 mg; 200 mg; 500 mg; 1 g; 5 g; 10 g. Product ID: HY-15025A.
Sildenafil citrate
1g Pack Size. Group: Bioactive Small Molecules, Biochemicals, Research Organics & Inorganics. Formula: C22H30N6O4S ·C6H8O7. CAS No. 171599-83-0. Prepack ID 82714520-1g. Molecular Weight 666.7. See USA prepack pricing.
Sildenafil Citrate
An orally active selective type 5 cGMP phosphodiesterase inhibitor. Group: Biochemicals. Alternative Names: 1-[[3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3- d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methylpiperazine citrate 1-[4-Ethoxy-3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3- d]pyrimidin-5-yl)phenylsulfonyl]-4-methylpiperazine citrate. Grades: Highly Purified. CAS No. 171599-83-0. Pack Sizes: 50mg, 100mg, 250mg, 500mg, 1g, 5g. Molecular Formula: C28H38N6O11S, Molecular Weight: 666.71. US Biological Life Sciences.
Worldwide
Sildenafil Citrate USP
Sildenafil Citrate USP.
CA, FL & NJ
Sildenafil-d3
Sildenafil-d3 is deuterium labeled Sildenafil-d3. Sildenafil (UK-92480) is a potent phosphodiesterase type 5 (PDE5) inhibitor with an IC50 of 5.22 nM. Uses: Scientific research. Category: Signaling pathways. Alternative Names: UK-92480-d3. CAS No. 1126745-90-1. Pack Sizes: 10 mM * 1 mL in DMSO; 1 mg; 5 mg; 10 mg. Product ID: HY-15025S.
Sildenafil Dimer Impurity
A dimeric impurity of Sildenafil. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences.
Worldwide
Sildenafil Impurity 1
Sildenafil Impurity 1. Uses: For analytical and research use. CAS No. 42926-52-3. Molecular formula: C9H9ClO2. Mole weight: 184.62. Catalog: APB42926523.
Sildenafil Impurity 100
Sildenafil Impurity 100. Uses: For analytical and research use. Molecular formula: C22H29N5O4S. Mole weight: 459.57. Catalog: APB09686.
Sildenafil Impurity 101
Sildenafil Impurity 101. Uses: For analytical and research use. Molecular formula: C24H34ClN5O6S. Mole weight: 556.08. Catalog: APB09687.
Sildenafil Impurity 102
Sildenafil Impurity 102. Uses: For analytical and research use. CAS No. 139756-30-2. Molecular formula: C16H18N4O2. Mole weight: 298.35. Catalog: APB139756302.
Sildenafil Impurity 103
Sildenafil Impurity 103. Uses: For analytical and research use. CAS No. 173352-21-1. Molecular formula: C15H21N3O2S. Mole weight: 307.41. Catalog: APB173352211.
Sildenafil Impurity 11
Sildenafil Impurity 11. Uses: For analytical and research use. CAS No. 62871-12-9. Molecular formula: C9H9ClO3. Mole weight: 200.62. Catalog: APB62871129.
Sildenafil Impurity 13
Sildenafil Impurity 13. Uses: For analytical and research use. CAS No. 76424-56-1. Molecular formula: C7H12N4O. Mole weight: 168.2. Catalog: APB76424561.
Sildenafil Impurity 15
Sildenafil Impurity 15. Uses: For analytical and research use. CAS No. 139756-00-6. Molecular formula: C8H11N3O4. Mole weight: 213.19. Catalog: APB139756006.
Sildenafil Impurity 151
Sildenafil Impurity 151. Uses: For analytical and research use. CAS No. 1441-87-8. Molecular formula: C7H5ClO2. Mole weight: 156.57. Catalog: APB1441878.
Sildenafil Impurity 152
Sildenafil Impurity 152. Uses: For analytical and research use. CAS No. 792969-85-8. Molecular formula: C8H12N4O3. Mole weight: 212.21. Catalog: APB792969858.
Sildenafil Impurity 16
Sildenafil Impurity 16. Uses: For analytical and research use. CAS No. 139756-01-7. Molecular formula: C8H12N4O3. Mole weight: 212.21. Catalog: APB139756017.
Sildenafil Impurity 17
Sildenafil Impurity 17. Uses: For analytical and research use. CAS No. 398507-63-6. Molecular formula: C26H36N6O6S. Mole weight: 560.67. Catalog: APB398507636.
Sildenafil Impurity 18
Sildenafil Impurity 18. Uses: For analytical and research use. CAS No. 2196244-90-1. Molecular formula: C25H34N6OS2. Mole weight: 498.71. Catalog: APB2196244901.