Des[(5-methyl-1,3,4-thiadiazol-2-yl)thio] Cefazolin-3-methanol
- CAS
- 478494-71-2
- Formula
- C11H12N6O5S
- MW
- 340.32 g/mol
ZX-021100
Pharmacopeial Impurities (EP / USP / BP)
Cefazolin EP Impurity B
Reference StandardAvailable on request
Order Cefazolin EP Impurity B (CAS 2384108-14-7) online at Zemixal: C16H20N4O4S3, COA and SDS with every lot, worldwide shipping.
CAS number2384108-14-7
FormulaC16H20N4O4S3
Molar mass428.6 g/mol
Physical formSolid
HS code38229090
InChIKeyPYQNLAKCAGCVKA-BXKDBHETSA-N
IUPAC name(6R,7R)-7-(2,2-dimethylpropanoylamino)-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid
About Cefazolin EP Impurity B
Cefazolin EP Impurity B belongs to the Cefazolin reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 2384108-14-7, formula C16H20N4O4S3 and molar mass 428.6 g/mol. It is handled as a solid.
Common uses in the lab and plant
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Reference standards for Cefazolin
See every impurity, metabolite and related compound we list for this API.
Cefazolin standardsTypical uses
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Applications
Grade guides
Specifications and identifiers
| Product name | Cefazolin EP Impurity B |
|---|---|
| Catalogue number | ZX-021101 |
| CAS number | 2384108-14-7 |
| IUPAC name | (6R,7R)-7-(2,2-dimethylpropanoylamino)-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
| Molecular formula | C16H20N4O4S3 |
| Molar mass | 428.6 g/mol |
| Exact mass | 428.0647 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 0.8 |
| H-bond donors / acceptors | 2 / 9 |
| Topological polar surface area | 191 Ų |
| HS code | 38229090 |
| InChIKey | PYQNLAKCAGCVKA-BXKDBHETSA-N |
| SMILES | CC1=NN=C(S1)SCC2=C(N3[C@@H]([C@@H](C3=O)NC(=O)C(C)(C)C)SC2)C(=O)O |
| PubChem CID | 124519572 |
| Synonyms | Cefazolin Sodium - Impurity B, Cefazolin pivaloyl, 7-Pivalamido Cefazolin |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Cefazolin EP Impurity B
Which CAS number identifies Cefazolin EP Impurity B?
Cefazolin EP Impurity B is registered under CAS 2384108-14-7. You may also see it listed as Cefazolin Sodium - Impurity B, Cefazolin pivaloyl, 7-Pivalamido Cefazolin. Our catalogue number for this item is ZX-021101.
What are the formula and molar mass of Cefazolin EP Impurity B?
For Cefazolin EP Impurity B, its formula is C16H20N4O4S3 and its molar mass is 428.6 g/mol. The systematic (IUPAC) name is (6R,7R)-7-(2,2-dimethylpropanoylamino)-3-[(5-methyl-1,3,4-thiadiazol-2-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. InChIKey PYQNLAKCAGCVKA-BXKDBHETSA-N lets you match it in any structure database.
How is Cefazolin EP Impurity B used in pharmaceutical QC?
Cefazolin EP Impurity B is a characterised reference material linked to Cefazolin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Cefazolin EP Impurity B?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Cefazolin EP Impurity B?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Cefazolin EP Impurity B to my country?
Yes. Cefazolin EP Impurity B ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.
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