N-Acetyl Sulfapyridine CAS 19077-98-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19077-98-6 |
| Molecular Formula | C13H13N3O3S |
| Molecular Weight | 291.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
N-Acetyl Sulfapyridine (CAS 19077-98-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C13H13N3O3S. Molecular weight: 291.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C13H13N3O3S |
| Molecular Weight | 291.33 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Recommended Standards
- N-(Triphenylphosphoranylidene)methanamine (CAS 17986-01-5)
- (12-Azidododecyl)phosphonic acid (CAS 721457-32-5)
- 1-Methyl-3-(3-(thiazol-2-yloxy)azetidine-1-carbonyl)pyridin-2(1H)-one (CAS 1797875-11-6)
- N-(2-((4-Bromophenyl)(phenyl)methoxy)ethyl)-N-methylmethanediamine hydrochloride (CAS 18704-89-7)
- 2-Ethylfenisyl alcohol (CAS 18368-91-7)
- N-(3,4-difluorophenyl)-1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxamide (CAS 861208-53-9)
- 2-Chloro-N-(5-methyl-1,3,4-thiadiazol-2-yl)propanamide (CAS 391863-94-8)
- Ethyl 2-{1-[5-(ethoxycarbonyl)-3-methyl-1H-indol-2-yl]propyl}-3-methyl-1H-indole-5-carboxylate (CAS 1424940-12-4)
- 3,3''-Dioctyl-2,2':5',2''-terthiophene (CAS 155166-89-5)
- Semaglutide Impurity 21(HO-Ste-L-γGlu-AEEA-AEEA-OH) (CAS 1335440-44-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com