Molekula
Cefaclor Delta-3 Isomer - USP CRS
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Cefaclor Delta-3 Isomer - USP CRS is a reference standard of the Delta-3 double-bond isomer of the semisynthetic cephalosporin antibiotic cefaclor, a degradation product and impurity listed as Cefaclor EP Impurity D, used primarily for analytical validation in pharmaceutical quality control. It supports the identification and quantification of the Delta-3 isomer impurity in related substances testing and impurity profiling of cefaclor. This product has a CAS number of 152575-13-8, a molecular formula of C15H14ClN3O4S, and a molecular weight of 367.81. It is stable at ambient storage conditions but requires careful handling due to its Danger classification. Full hazard documentation is provided. Molekula supplies Cefaclor Delta-3 Isomer - USP CRS from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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Specifications
| Property | Value |
|---|---|
| Appearance | Off-white, tan powder |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90036670 |
| CAS Number | 152575-13-8 |
| IUPAC Name | (6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid |
| Molecular Formula | C15H14ClN3O4S |
| Molecular Weight | 367.81 |
| Exact Mass | 367.0394 |
| SMILES | C1=CC=C(C=C1)[C@H](C(=O)N[C@H]2[C@@H]3N(C2=O)C(C(=CS3)Cl)C(=O)O)N |
| InChIKey | UPMVPDSZPOOATN-ULZUWYFZSA-N |
| InChI | InChI=1S/C15H14ClN3O4S/c16-8-6-24-14-10(13(21)19(14)11(8)15(22)23)18-12(20)9(17)7-4-2-1-3-5-7/h1-6,9-11,14H,17H2,(H,18,20)(H,22,23)/t9-,10-,11?,14-/m1/s1 |
| PubChem CID | 101170203 |
| REACH Code | Y110 |
| HTS Code | 29419000 |
| Tariff Code | 2941900000 |
Safety & GHS
-
Serious Health Hazard
GHS08
Hazard statements
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- |_-3 Cefaclor
- |A-3 Cefaclor
- Cefaclor Delta-3-Isomer
- CEFACLOR, DELTA-3-ISOMER (30 MG)
- Delta-3 Cefaclor
- Delta-3-Cefaclor CRS
- UPMVPDSZPOOATN-ULZUWYFZSA-N
Frequently asked questions
What is Cefaclor Delta-3 Isomer - USP CRS used for?
This product is primarily used as a Certified Reference Standard (CRS) for analytical testing in pharmaceutical quality control, supporting the identification and quantification of the Delta-3 isomer impurity (Cefaclor EP Impurity D) in related substances testing and impurity profiling of cefaclor.
What is the chemical formula and molecular weight of Cefaclor Delta-3 Isomer - USP CRS?
The chemical formula is C₁₅H₁₄ClN₃O₄S, and the molecular weight is 367.81 g/mol.
How should Cefaclor Delta-3 Isomer - USP CRS be stored?
Store at ambient temperature in a dry, well-ventilated area, away from incompatible substances. Follow standard laboratory chemical storage practices.
What grade of Cefaclor Delta-3 Isomer is available?
This product is supplied as a USP Certified Reference Standard (CRS), meeting strict purity and documentation requirements for analytical reference materials.
Can Molekula supply Cefaclor Delta-3 Isomer - USP CRS in bulk quantities?
Bulk quantities are available upon request—please contact our sales team to discuss specific volume requirements and lead times.
What documentation comes with an order of Cefaclor Delta-3 Isomer - USP CRS?
Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and USP CRS documentation confirming identity, purity, and compliance with USP standards.
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