Cefdinir Impurity 2 CAS 128438-01-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 128438-01-7 |
| Molecular Formula | C24H19N3O3S |
| Molecular Weight | 429.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Cefdinir Impurity 2 (CAS 128438-01-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C24H19N3O3S. Molecular weight: 429.49 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C24H19N3O3S |
| Molecular Weight | 429.49 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Cefdinir Standards
- Cefdinir Impurity 87 (CAS 137054-46-7)
- Cefdinir Impurity 32 (CAS CATO-C4X-121032)
- Cefdinir Impurity 28 (CAS CATO-C4X-121028)
- Cefdinir Impurity 30 (CAS CATO-C4X-121030)
- Cefdinir CP Impurity S (CAS 127770-93-8)
- Cefdinir Impurity C84 (CAS 178422-45-2)
- Cefdinir CP Impurity P&Q (CAS CATO-C4X-121010)
- Cefdinir USP Related Compound A (CAS 178422-42-9)
Recommended Standards
- 2-((1-Cyanocyclopentyl)amino)-2-oxoethyl 2-(1,3-dioxoisoindolin-2-yl)-4-(methylthio)butanoate (CAS 1014518-60-5)
- N-(5-(2-((4-Fluorophenyl)thio)acetyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)pyrazine-2-carboxamide (CAS 1351655-23-6)
- Paliperidone Impurity 5 (CAS 152542-03-5)
- 3-Amino-1,1,1-trifluoro-4-methylhexan-2-ol (CAS 1005044-11-0)
- (5-(Thiophen-2-yl)isoxazol-3-yl)methyl 2-phenylbutanoate (CAS 946238-45-5)
- n-((1h-Imidazol-2-yl)methyl)-2,4-dimethylaniline (CAS 660405-19-6)
- 4-((3,4-Dimethoxyphenyl)sulfonyl)morpholine (CAS 313267-53-7)
- 2-Methyldodecan-1-ol (CAS 22663-61-2)
- 2-(4-Ethylcyclohexyl)butanoic acid (CAS 1515320-74-7)
- Semaglutide Impurity 12 (CAS CATO-C4X-222612)
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