Cefazolin Impurity 17
- CAS38509-92-1
- CatalogueRS-U200ALX
- MW149.21
On this page
structure on request
Product identification
| Product name | Cefazolin Impurity 17 |
|---|---|
| Catalogue No. | RS-U200ALX |
| CAS No. | 38509-92-1 |
| Molecular weight | 149.21 |
| Availability | In stock— dispatched in about 1–2 weeks |
| Standard type | Impurity Reference Standards |
| Drug substance | Cefazolin |
| Storage | Refer to the certificate of analysis (COA) supplied with each lot |
| Intended use | For laboratory and research use only. Not for human or veterinary use. |
What is stated on the certificate
Content and purity are assigned per lot and stated on the certificate of analysis issued for the batch you receive — they are not a catalogue-level figure. The certificate records the tests performed, the specification applied and the result obtained for that lot.
| Field | Basis |
|---|---|
| Identity | Spectroscopic and chromatographic methods appropriate to the material |
| Purity | Chromatographic purity, area normalisation unless stated otherwise |
| Assay / content | Mass balance, corrected for the stated volatiles and residue |
| Catalogue and batch numbers | RS-U200ALX / batch number on the certificate |
| Retest date | Printed on the certificate for the lot supplied |
Frequently asked
What documentation is supplied with this lot?
Is the assigned value given on an “as is” basis?
How should this material be stored?
Do you supply pack sizes other than those listed?
Finding this standard
Buyers reach this compound by CAS number, by catalogue number, through the drug substance it belongs to, or through the type of standard it is. Those routes all start here:
- Other impurities of Cefazolin
- Impurity Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-U200ALX
- Request a quotation for RS-U200ALX
Searching another way? Send the structure, a SMILES string or the pharmacopoeial name — a CAS number is not required for a non-compendial impurity. Write to sales@rssechem.com.
Other standards of Cefazolin
All 54 further standards are listed here — every link is in the page, not loaded later.
Cefazolin
CUSTOM SYNTHESISRS-I002084Cefazolin EP Impurity A Hydrochloride
IN STOCKRS-C103033Cefazolin EP Impurity D Sodium Salt
BACK ORDERRS-C103023Cefazolin EP Impurity G
IN STOCKRS-C103001Cefazolin EP Impurity K
BACK ORDERRS-C103011Cefazolin EP Impurity L
BACK ORDERRS-I001AAACefazolin Impurity EP-A
IN STOCKRS-C103016Cefazolin Impurity EP-E
IN STOCKRS-C103015Cefazolin Impurity EP-H
IN STOCKRS-C103019Cefazolin Impurity EP-J
IN STOCKRS-C103004Cefazolin Impurity K(EP)
BACK ORDERRS-C103020Cefazolin USP Impurity B
IN STOCKRS-C103005Cefazolin USP Impurity B Precursor
CUSTOM SYNTHESISRS-C103006Cefazolin USP Impurity E
IN STOCKRS-C103024Cefazolin USP Impurity L-δ2
BACK ORDERRS-C103009Tetrazolylacetic Acid (USP)
IN STOCKRS-I516116Cefazolin Impurity C
IN STOCKRS-C103002(1H-Tetrazol-5-yl)-acetic acid
IN STOCKRS-P0301041,2-bis(5-methyl-1,3,4-thiadiazol-2-yl)disulfane
IN STOCKRS-C1030861,3-Dipyrrolidinopropane
IN STOCKRS-U0040341-(Carboxymethyl)-1H-tetrazolepotassium salt
IN STOCKRS-Z408J5F7-Pivalamido Cefazolin
BACK ORDERRS-C103010bis(5-methyl-1,3,4-thiadiazol-2-yl)sulfane
IN STOCKRS-C103085Cefazolin 3-Position Side Chain Dimer 2
IN STOCKRS-I002372Cefazolin Impurity P4
BACK ORDERRS-Z401FKXCefazolin sodium salt
IN STOCKRS-I002086Cefazolin-[13C2,15N]
BACK ORDERRS-I098342Cefoxazole
BACK ORDERRS-U065762Ethyl 1H-Tetrazole-5-acetate
IN STOCKRS-U095110Methyl 2-(1H-Tetrazol-1-Yl)Acetate
IN STOCKRS-U211N9VPyrazol-1-yl-acetic acid
CUSTOM SYNTHESISRS-P017312Cefazolin USP Related Compound D(Diastereoisomer Mixture)
CUSTOM SYNTHESISRS-C103026Cefazolin Impurity 10
IN STOCKRS-C103008Cefazolin Impurity 19
CUSTOM SYNTHESISRS-C103014Cefazolin Impurity 24
BACK ORDERRS-I001AZ6Cefazolin Impurity 30
BACK ORDERRS-I001ACUCefazolin Impurity 36
BACK ORDERRS-C103022Cefazolin Impurity 36 (5456-21-3)
IN STOCKRS-C103029(Z)-Cefazolin Impurity 44
IN STOCKRS-Z401K40Cefazolin Impurity 57
BACK ORDERRS-C103025Cefazolin Impurity 73
BACK ORDERRS-I001575Cefazolin Impurity 78
BACK ORDERRS-I001A9SCefazolin Impurity 82
BACK ORDERRS-I001462Cefazolin Impurity 91
CUSTOM SYNTHESISRS-Z412VWVCefazolin Impurity 119
IN STOCKRS-C103027Cefazolin Impurity 137
IN STOCKRS-C103003Cefazolin Impurity 138
IN STOCKRS-C103007Cefazolin Impurity 139
BACK ORDERRS-C103012Cefazolin Impurity 140
IN STOCKRS-C103013Cefazolin Impurity 142
IN STOCKRS-C103028
Pharmacopoeial names (EP, USP, BP, JP) are used for identification purposes only and do not imply endorsement by those bodies. This product is supplied for laboratory and research use only — not for human or veterinary use.


















![Chemical structure of (6R,7R)-7-amino-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamide](/structures/w4/VFQRQZWOKFREJQ-LHLIQPBNSA-N.webp?v=11)








![Chemical structure of Cefazolin-[13C2,15N]](/structures/w4/MLYYVTUWGNIJIB-ZDZFQHAJSA-N.webp?v=11)





![Chemical structure of sodium (6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide](/structures/w4/YAZKVFNBEVYAJP-QCZPPVBGSA-M.webp?v=11)

















