Cefazolin EP Impurity B CAS 2384108-14-7
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 2384108-14-7 |
| Molecular Formula | C16H20N4O4S3 |
| Molecular Weight | 428.55 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cefazolin EP Impurity B (CAS 2384108-14-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H20N4O4S3. Molecular weight: 428.55 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H20N4O4S3 |
| Molecular Weight | 428.55 g/mol |
| Purity | >90% |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 3 |
Related Cefazolin Standards
- Cefazolin Impurity 20 (CAS 1798390-47-2)
- Cefazolin Impurity 57 (CAS 134203-48-8)
- Cefazolin EP Impurity K (Mixture of Diastereomers) (CAS 1322626-65-2)
- Cefazolin Impurity 86 (CAS CATO-C4X-157786)
- Cefazolin EP Impurity K (CAS 2410652-70-7)
- Cefazolin EP Impurity L (CAS CATO-C4X-157710)
- Cefazolin Impurity 41 (CAS CATO-C4X-157741)
- Cefazolin Impurity 42 (CAS 55390-53-9)
Recommended Standards
- Cefazedone Impurity 12 (CAS CATO-C4X-117112)
- (1S)-1,5-Anhydro-1-C-[3-[(2,3-dihydro-1,4-benzodioxin-6-yl)methyl]-4-ethylphenyl]-D-glucitol (CAS 1291094-73-9)
- N-(1-Cyanocyclohexyl)-2-((3-(3-ethoxypropyl)-4-oxo-3,4-dihydroquinazolin-2-yl)thio)acetamide (CAS 847753-59-7)
- Amikacin EP Impurity C (CAS 50725-25-2)
- Asciminib Impurity 2 (CAS 1492954-67-2)
- 7-Allyl-8-(benzyloxy)-5-chloroquinoline (CAS 1009842-68-5)
- 1-Benzyl-4,5-dimethyl-3-(methylsulfonyl)-1H-pyrrol-2-amine (CAS 77444-88-3)
- PYRAZINO[2,1-C][1,4]OXAZIN-4(3H)-ONE, HEXAHYDRO-, HCL (1:1), (9AR)- (CAS 1383427-89-1)
- 2-(2-(2-Amino-5-methylbenzyl)-1,3-dioxolan-2-yl)acetic acid (CAS 2677030-89-4)
- Peptide Impurity 11 X TFA Salt (CAS CATO-CPTD788811)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com