Cephalexin Impurity 18 CAS 1260607-12-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1260607-12-2 |
| Molecular Formula | C24H21NO4 |
| Molecular Weight | 387.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Cephalexin Impurity 18 (CAS 1260607-12-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C24H21NO4. Molecular weight: 387.43 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C24H21NO4 |
| Molecular Weight | 387.43 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Related Cephalexin Standards
- Cephalexin Impurity 44 (CAS CATO-C4X-126144)
- Cephalexin Impurity 47 (CAS CATO-C4X-126147)
- Cephalexin-d5 Hydrate (CAS CATO-CCHM703163)
- Cephalexin Impurity 13 (CAS 1323247-65-9)
- Cephalexin Impurity 19 (CAS CATO-C4X-126119)
- Cephalexin Oxide Impurity 1 (CAS 56193-21-6)
- Cephalexin Sulfoxide Impurity 31 (CAS 74708-55-7)
- Cephalexin Impurity 42 (CAS 52210-38-5)
Recommended Standards
- (S)-2-(5-((1H-Indol-3-yl)methyl)-4-(tert-butoxycarbonyl)-2-oxopiperazin-1-yl)acetic acid (CAS 1260602-30-9)
- (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(p-tolyl)acetic acid (CAS 1260609-33-3)
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(m-tolyl)acetic acid (CAS 1260596-71-1)
- tert-Butyl 5-amino-2-azabicyclo[2.2.2]octane-2-carboxylate (CAS 1638759-74-6)
- 3-(Pyrrolidin-3-yl)quinazoline-2,4(1H,3H)-dione (CAS 1707594-18-0)
- 1,2,8,8A-tetrahydroindolizin-3(5H)-one (CAS 178671-88-0)
- Tenofovir Disoproxil Impurity 45 (CAS 35273-90-6)
- Azilsartan Impurity 107 (CAS CATO-C4X-1096107)
- 3-Fluoro-N-(2-methylcyclopentyl)aniline (CAS 1462866-72-3)
- Semaglutide Impurity 192 (CAS CATO-C4X-2226192)
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