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Sorafenib-d3
Cas No. 1130115-44-4.
Spantide II
Spantide II is more effective as an antagonist of substance P than spantide I, but less effective in releasing histamine from mast cells. The neurotoxicity of Spantide II is negligible. Uses: Analgesics. Synonyms: (D-Lys(nicotinoyl)1,β-(3-pyridyl)-Ala3,3,4-dichloro-D-Phe5,Asn6,D-Trp7,9,Nle11)-Substance P; H-D-Lys(nicotinoyl)-Pro-β-(3-pyridyl)-Ala-Pro-3,4-dichloro-D-Phe-Asn-D-Trp-Phe-D-Trp-Leu-Nle-NH2; L-Norleucinamide, N6-(3-pyridinylcarbonyl)-D-lysyl-L-prolyl-3-(3-pyridinyl)-L-alanyl-L-prolyl-3,4-dichloro-D-phenylalanyl-L-asparaginyl-D-tryptophyl-L-phenylalanyl-D-tryptophyl-L-leucyl-. Grades: 95%. CAS No. 129176-97-2. Molecular formula: C86H104Cl2N18O13. Mole weight: 1668.79.
(S)-(-)-Pantoprazole
An impurity of Pantoprazole which is a prescription drug used as a short-term treatment for gastroesophageal reflux disease (GERD). Synonyms: (-)-Pantoprazole; Zosecta; L-Pantoprazole; 142678-35-1; S-(-)-Pantoprazole; S-Pantoprazole; SX78SGO2TV; Pantoprazole, S-; UNII-SX78SGO2TV; 1H-Benzimidazole, 6-(difluoromethoxy)-2-((S)-((3,4-dimethoxy-2-pyridinyl)methyl)sulfinyl)-; 6-(difluoromethoxy)-2-[(S)-(3,4-dimethoxypyridin-2-yl)methylsulfinyl]-1H-benzimidazole; (S)-(-)-Pantoprazole; PANTOPRAZOLE, (S)-; SCHEMBL29466; CHEMBL3526697; S-PANTOPRAZOLE [WHO-DD]; IQPSEEYGBUAQFF-SANMLTNESA-N; DTXSID201015709; PD119113; Q27289440. Grades: > 95%. CAS No. 142678-35-1. Molecular formula: C16H15F2N3O4S. Mole weight: 383.38.
Spectinomycin Sulfate
Spectinomycin sulfate is an aminocyclitol aminoglycoside antibiotic produced by Streptomyces spectabilis with bacteriostatic activity. It is active against gram-negative bacteria and used for the treatment of gonorrhea. Uses: Anti-bacterial agents. Synonyms: Spectinomycin sulphate; NSC100859; (2R,4aR,5aR,6S,7S,8R,9S,9aR,10aS)-4a,7,9-Trihydroxy-2-methyl-6,8-bis(methylamino)decahydro-4H-pyrano[2,3-b][1,4]benzodioxin-4-one sulfate (1:1); Actinospectacin sulfate; 4H-Pyrano[2,3-b][1,4]benzodioxin-4-one, decahydro-4a,7,9-trihydroxy-2-methyl-6,8-bis(methylamino)-, [2R-(2α, 4aβ, 5aβ, 6β, 7β, 8β, 9α, 9aα, 10aβ)]-, sulfate (1:1) (salt). Grades: 95%. CAS No. 23312-56-3. Molecular formula: C14H24N2O7.H2O4S. Mole weight: 430.43.
Spergualin
It is produced by the strain of Bacillus sp. BMG 162-aF2. It has anti-gram-positive bacteria and negative bacteria effects. Spergualin of 1.56-25.0 mg/(kg.d) in mice with intraperitoneal infection of leukemia L-1210 has a life-prolonging effect, Spergualin of 6.25 mg/(kg.d) can survive all animals at 60 days. Spergualin of 12.5-50 mg/(kg.d) (subcutaneous inoculation, intraperitoneal administration) in mice with Leukemia L-1210 (solid type) can survive all animals in the 3 groups at 30 days. Synonyms: Antibiotic BMG 162aF2; (S)-7-Guanidino-N-[(S)-2-[[4-[(3-aminopropyl)amino]butyl]amino]-1-hydroxy-2-oxoethyl]-3-hydroxyheptanamide; Heptanamide, 7-[(aminoiminomethyl)amino]-N-[(1S)-2-[[4-[(3-aminopropyl)amino]butyl]amino]-1-hydroxy-2-oxoethyl]-3-hydroxy-, (3S)-. Grades: 95%. CAS No. 80902-43-8. Molecular formula: C17H34N7O4. Mole weight: 403.52.
Spilanthol is a fatty acid amide isolated from Acmella oleracea. It is believed to be responsible for the local anesthetic properties of the plant. Synonyms: (2E,6Z,8E)-N-(2-Methylpropyl)-2,6,8-decatrienamide; (E,E,Z)-N-(2-Methylpropyl)- 2,6,8-decatrienamide; (E,E,Z)- N-Isobutyl-2,6,8-decatrienamide; Affinin; 2E,6Z,8E-Decatrienoic Acid N-Isobutylamide; N-Isobutyldeca-trans-2,cis- 6,trans-8-trienamide. Grades: > 95%. CAS No. 25394-57-4. Molecular formula: C14H23NO. Mole weight: 221.34.
Spinosad
Spinosad is a broad-spectrum and naturally-occurring insecticide found in the the soil bacterium S. spinosa. Spinosad is a mixture of the macrocyclic lactones spinosyn A and spinosyn D , which act as agonists of insect nicotinic acetylcholinesterase receptors (nAChRs). Synonyms: Spinosyn A and D (mixture); Blackhawk; Comfortis; Conserve; Entrust; Entrust WP; Extinosad; GF 120; GF 120 Fruit Fly Bait; GF 120 NF Naturalyte; GF 120 Naturalyte Fruit Fly Bait; GF 1587; Gardens Alive Bulls-Eye; Laser; Laser (insecticide); Naturalure; Naturalure Fruit Fly Bait; Naturalyte; PP 105; SpinTor; Spinoace; Spinosad 45SC; Spinosad NT; Spinosyn A-spinosyn D mixt.; Success; Success 4; Success Naturalyte; Tracer; Tracer Naturalyte; Tracer Naturalyte Insect Control. Grades: ≥95%. CAS No. 168316-95-8. Molecular formula: C42H67NO10.C41H65NO10. Mole weight: 1477.94.
Spinulosin
It is produced by the strain of Pen. spinulosurn, Pen. cinerascens, Asp. fumigatas. It has anti-bacterial effect, but the effect is not strong. Synonyms: 2,5-dihydroxy-3-methyl-6-methoxy-1,4-benzoquinone; 3,6-dihydroxy-5-methoxy-p-toluquinone; 3,6-dihydroxy-4-methoxy-2,5-toluquinone; Hydroxyfumigatin. Grades: 95%. CAS No. 85-23-4. Molecular formula: C8H8O5. Mole weight: 184.15.
Spiramycin
Spiramycin is a macrolide antibiotic produced by Streptomyces. It is used to treat toxoplasmosis and various other infections of soft tissues. Synonyms: Foromacidin A. Grades: >98%. CAS No. 8025-81-8. Molecular formula: C43H74N2O14. Mole weight: 843.05.
An impurity of Spironolactone Spironolactone is a medication that is primarily used to treat fluid build-up due to heart failure, liver scarring, or kidney disease. Grades: > 95%. Molecular formula: C24H34O5S. Mole weight: 434.60.
Spironolactone EP Impurity A (Delta-20-Spironolactone)
an impurity of Spironolactone. Synonyms: (7α,17α)-7-(Acetylthio)-17-hydroxy-3-oxo-pregna-4,20-diene-21-carboxylic Acid γ-Lactone; spiro[17H-cyclopenta[a]phenanthrene-17,2'(5'H)-furan] Pregna-4,20-diene-21-carboxylic Acid Deriv. Grades: > 95%. CAS No. 132458-33-4. Molecular formula: C24H30O4S. Mole weight: 414.57.
Spironolactone EP Impurity C
an intermediate in the synthesis of Canrenone. Synonyms: 6,7-Dihydrocanrenone; 17-Hydroxy-3-oxo-17α-pregn-4-ene-21-carboxylic Acid γ-Lactone; 17β-Hydroxy-3-oxopregn-4-en-21-carboxylic Acid γ-Lactone; 3-(3-Oxo-17β-hydroxy-4-androsten-17-yl)propionic Acid γ-Lactone; 3-(3-Oxo-17β-hydroxyandrost-4-en-17α-yl)propiol. Grades: > 95%. CAS No. 976-70-5. Molecular formula: C22H30O3. Mole weight: 342.48.
Spironolactone Impurity B
An impurity of Spironolactone Spironolactone is a medication that is primarily used to treat fluid build-up due to heart failure, liver scarring, or kidney disease. Synonyms: 4-Bromo-spironolactone. Grades: > 95%. Molecular formula: C24H31BrO4S. Mole weight: 495.48.
Spironolactone Impurity G
An impurity of Spironolactone Spironolactone is a medication that is primarily used to treat fluid build-up due to heart failure, liver scarring, or kidney disease. Synonyms: Pregn-4-ene-21-carboxylic acid, 7-(acetylthio)-6,17-dihydroxy-3-oxo-,g-lactone, (6b,7a,17a)-. Grades: > 95%. CAS No. 880106-10-5. Molecular formula: C24H32O5S. Mole weight: 432.58.
Spironolactone Impurity H
Cas No. 55706-91-7.
Spironolactone Related Compound
an impurity of Spironolactone. Synonyms: S-[17-Alfa-(Ethoxymethyl)-17-hydroxy-3-oxoandrost-4-en-7-alfa-yl] Ethanethioate; 7β-Acetylthio-17α-ethoxymethy Testosterone; Spironolactone EP Impurity I. Grades: > 95%. Molecular formula: C24H36O4S. Mole weight: 420.62.
Sporeamicin A
It is a macrolide antibiotic produced by the strain of Saccaropolyspora sp. L53-18. It has anti-Gram-positive bacteria effect, but no anti-Gram-negative bacteria effect. It has cross-resistance with macrolide antibiotics. Synonyms: Erythromycin, 9,10-didehydro-9-deoxo-11,12-dideoxy-9,12-epoxy-11-oxo-; Antibiotic L 53-18A; SRM-A. Grades: ≥95%. CAS No. 131418-65-0. Molecular formula: C37H63NO12. Mole weight: 713.90.
Sporeamicin B
It is a macrolide antibiotic produced by the strain of Saccaropolyspora sp. L53-18. It has anti-Gram-positive bacteria effect, but no anti-Gram-negative bacteria effect. It has cross-resistance with macrolide antibiotics. Synonyms: Erythromycin, 9,10-didehydro-3''-O-demethyl-9-deoxo-11,12-dideoxy-9,12-epoxy-11-oxo-; 9,10-Didehydro-3'-O-demethyl-9-deoxo-11,12-dideoxy-9,12-epoxy-11-oxoerythromycin; Antibiotic L 53-18B. Grades: ≥95%. CAS No. 143313-36-4. Molecular formula: C36H61NO12. Mole weight: 699.87.
Sporeamicin C
It is a macrolide antibiotic produced by the strain of Saccaropolyspora sp. L53-18. It has anti-Gram-positive bacteria effect, but no anti-Gram-negative bacteria effect. It has cross-resistance with macrolide antibiotics. Synonyms: Erythromycin, 9,10-didehydro-N-demethyl-9-deoxo-11,12-dideoxy-9,12-epoxy-11-oxo-; N-Demethyl-9-deoxo-11,12-dideoxy-9,12-epoxy-11-oxo-9,10-didehydroerythromycin; Antibiotic L 53-18C. Grades: ≥95%. CAS No. 141340-34-3. Molecular formula: C36H61NO12. Mole weight: 699.87.
SPR741
SPR741 is a cationic peptide derived from polymyxin B and is a potentiator molecule. SPR741 inhibits multidrug-resistant Gram-negative bacteria. The spectrum of activity of the antibiotic can be widened when used in combination with SPR741 TFA. Synonyms: NAB741. Grades: >98%. CAS No. 1179330-52-9. Molecular formula: C44H73N13O13. Mole weight: 992.13.
S enantiomer of Rabeprazole Sodium Salt. Rabeprazole is proton pump inhibitor as an antiulcer drug. Uses: Anti-ulcer agents. Synonyms: 2-[(S)-[[4-(3-Methoxypropoxy)-3-methyl-2-pyridinyl]methyl]sulfinyl]-1H-benzimidazole Sodium Salt; S-(-)-Rabeprazole Sodium Salt. Grades: > 95%. CAS No. 171440-19-0. Molecular formula: C18H23N3O3S. Na. Mole weight: 384.46.
(S,R)-Palonosetron Acid
(S,R)-Palonosetron Acid is an impurity of Palonosetron, which is a potent, single stereoisomeric 5-HT3 receptor antagonist developed to prevent chemotherapy-induced nausea and vomiting. Synonyms: (S)-8-(((R)-quinuclidin-3-ylamino)methyl)-5,6,7,8-tetrahydronaphthalene-1-carboxylic acid. Molecular formula: C19H26N2O2. Mole weight: 314.42.
(S,R)-Palonosetron HCl
An impurity of Palonosetron which is 5-HT3 receptor blocker and works by blocking the action of serotonin in certain parts of the brain and nervous system so helps reduce or prevent nausea and vomiting. Uses: Antiemetics. Synonyms: Palonosetron (S,R)-Isomer (HCl Salt); (3aS)-2-[(3R)-1-Azabicyclo[2.2.2]oct-3-yl]-2,3,3a,4,5,6-hexahydro-1H-benz[de]isoquinolin-1-one HCl. Grades: > 95%. CAS No. 135729-76-9. Molecular formula: C19H24N2O.HCl. Mole weight: 332.86.
(S,R,R,R)-Orlistat
An isomeric impurity of Orlistat, which a pancreatic lipase inhibitor acting locally in the gastrointestinal tract to inhibit lipase. Synonyms: N-Formyl-L-leucine (1R)-1-[[(2R,3R)-3-Hexyl-4-oxo-2-oxetanyl]methyl]dodecyl Ester; [2R-[2α(R*),3β]]-N-Formyl-L-leucine 1-[(3-Ηexyl-4-oxo-2-oxetanyl)methyl]dodecyl Ester. Grades: > 95%. CAS No. 111466-61-6. Molecular formula: C29H53NO5. Mole weight: 495.75.
(S,R,S,S) Orlistat
An isomeric impurity of Orlistat, which a pancreatic lipase inhibitor acting locally in the gastrointestinal tract to inhibit lipase. Synonyms: [2S-[2α(S*),3β]]-N-Formyl-L-leucine 1-[(3-Hexyl-4-oxo-2-oxetanyl)methyl]dodecyl Ester. Grades: > 95%. CAS No. 111466-63-8. Molecular formula: C29H53NO5. Mole weight: 495.75.
SS-228Y
SS-228Y is an antibiotic produced by Chainia Sp. It is active against gram-positive bacteria and Ehrlich's ascites carcinoma. Synonyms: Antibiotic SS-228 Y; SS-228 Y. Grades: 95%. CAS No. 56257-16-0. Molecular formula: C19H14O6. Mole weight: 338.31.
An impurity of Palonosetron which is 5-HT3 receptor blocker and works by blocking the action of serotonin in certain parts of the brain and nervous system so helps reduce or prevent nausea and vomiting. Grades: > 95%. Molecular formula: C19H26N2O2. Mole weight: 314.43.
(S,S,R,R)-Orlistat
An isomeric impurity of Orlistat, which a pancreatic lipase inhibitor acting locally in the gastrointestinal tract to inhibit lipase. Synonyms: [2R-[2α(S*),3β]]-N-Formyl-L-leucine 1-[(3-Hexyl-4-oxo-2-oxetanyl)methyl]dodecyl Ester. Grades: > 95%. CAS No. 111466-62-7. Molecular formula: C29H53NO5. Mole weight: 495.75.
Staplabin
Staplabin is a substance produced by the fungus Stachybotrys microspora IFO 30018. Staplabin has the effect of stimulating the binding of plasminogen to fibrin and U937 cells. CAS No. 183006-79-3. Molecular formula: C28H39NO6. Mole weight: 485.61.
Stauprimide
It is produced by the strain of Streptomyces. Stauprimide is an enhancer of embryonic stem cell differentiation into endoderm. It inhibits nuclear translocation of NME2. Synonyms: N-Benzoyl-7-oxostaurosporine; N-[(9S,10R,11R,13R)-2,3,10,11,12,13-Hexahydro-10-methoxy-9-methyl-1,3-dioxo-9,13-epoxy-1H,9H-diindolo[1,2,3-gh:3',2',1'-lm]pyrrolo[3,4-j][1,7]benzodiazonin-11-yl]-N-methylbenzamide; [9S-(9α, 10β, 11β, 13α)]-N-(2, 3, 10, 11, 12, 13-Hexahydro-10-methoxy-9-methyl-1, 3-dioxo-9, 13-epoxy-1H, 9H-diindolo[1, 2, 3-gh:3', 2', 1'-lm]pyrrolo[3, 4-j][1, 7]benzodiazonin-11-yl)-N-methylbenzamide. Grades: >98%. CAS No. 154589-96-5. Molecular formula: C35H28N4O5. Mole weight: 584.62.
Steffimycin is an anthracycline antibiotic produced by Str. steffisburgensis var. steffisburgensis NRRL 3193. Activity against Gram-positive bacteria and fungi. Synonyms: Steffimycin A. Grades: >98%. CAS No. 11033-34-4. Molecular formula: C28H30O13. Mole weight: 574.53.
Streptocidin C is a cyclic decapeptide produced by Streptomyces sp. Tu 6071. It has the activity against gram-positive bacteria such as Bacillus subtilis, Staphylococcus aureus and Streptococcus viridans, and the MIC is 1-3 μg/mL. Molecular formula: C67H91N15O12. Mole weight: 1298.53.
Streptocidin D
Streptocidin D is a cyclic decapeptide produced by Streptomyces sp. Tu 6071. It has the activity against gram-positive bacteria such as Bacillus subtilis, Staphylococcus aureus and Streptococcus viridans, and the MIC is 1-3 μg/mL. Molecular formula: C65H90N14O12. Mole weight: 1259.49.