Valsartan EP Impurity A
Synonyms: N-(1-Oxopentyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-D-valine · (R)-N-Valeryl-N-([2'-(1H-tetrazole-5-yl)-biphenyl-4-yl]-methyl)-valine · (R)-N-Valeryl-N-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]valine · D-Valsartan
Valsartan EP Impurity A (CAS 137862-87-4) – Valsartan impurity standard, 99.04%. C24H29N5O3, MW 435.5. COA included. Worldwide shipping from Vaqora Chemicals.
About Valsartan EP Impurity A
Listed under CAS 137862-87-4, Valsartan EP Impurity A is a pharmacopeial impurity of Valsartan available from Vaqora Chemicals, specified at 99.04% purity. With the molecular formula C24H29N5O3, it has a molar mass of 435.5 g/mol. Systematically, it is named (2R)-3-methyl-2-[pentanoyl-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]amino]butanoic acid. Alternative names: D-Valsartan and ent-Valsartan.
It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.
This Valsartan impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.
Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide. Stock is available for quick dispatch.
Typical applications
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Industries
View every impurity, metabolite and intermediate we list for Valsartan.
Valsartan impuritiesGrade guides
Specifications & identifiers
| Product name | Valsartan EP Impurity A |
|---|---|
| Catalogue No. | VQ-006760 |
| CAS Number | 137862-87-4 |
| IUPAC name | (2R)-3-methyl-2-[pentanoyl-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]amino]butanoic acid |
| Molecular formula | C24H29N5O3 |
| Molecular weight | 435.5 g/mol |
| Exact mass | 435.227 |
| Grade | Reference Standard |
| Purity / assay | 99.04% |
| HSN code | 38229090 |
| InChIKey | ACWBQPMHZXGDFX-JOCHJYFZSA-N |
| SMILES | CCCCC(=O)N(CC1=CC=C(C=C1)C2=CC=CC=C2C3=NNN=N3)[C@H](C(C)C)C(=O)O |
| PubChem CID | 5284633 |
| Physical form | Solid |
|---|---|
| LogP (XLogP3) | 4.4 |
| H-bond donors / acceptors | 2 / 6 |
| TPSA | 112 Ų |
| Synonyms | N-(1-Oxopentyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-D-valine, (R)-N-Valeryl-N-([2'-(1H-tetrazole-5-yl)-biphenyl-4-yl]-methyl)-valine, (R)-N-Valeryl-N-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]valine, D-Valsartan, ent-Valsartan, Valsartan Related Compound A (USP), Valsartan R-Isomer, (R)-Valsartan, Valsartan, D-, (2R)-3-Methyl-2-(pentanoyl((2'-(1H-tetrazol-5-yl)biphenyl-4-yl)methyl)amino)butanoic acid, D-Valine, N-(1-oxopentyl)-N-((2'-(2H-tetrazol-5-yl)(1,1'-biphenyl)-4-yl)methyl)-, D-Valine, N-(1-oxopentyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]- |
Safety & hazard information (GHS)
Signal word: Danger
Hazard statements
H336May cause drowsiness or dizzinessH360May damage fertility or the unborn child
Precautionary statements: P203, P261, P271, P280, P304 + P340, P318, P319, P403 + P233, P405, P501
Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.
Documents
Frequently asked questions
What is the CAS number of Valsartan EP Impurity A?
The CAS Registry Number of Valsartan EP Impurity A is 137862-87-4. It is also known as N-(1-Oxopentyl)-N-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-D-valine, (R)-N-Valeryl-N-([2'-(1H-tetrazole-5-yl)-biphenyl-4-yl]-methyl)-valine, (R)-N-Valeryl-N-[[2'-(1H-tetrazol-5-yl)biphenyl-4-yl]methyl]valine.
What is the molecular formula and molecular weight of Valsartan EP Impurity A?
Valsartan EP Impurity A has the molecular formula C24H29N5O3 and a molecular weight of 435.5 g/mol. Its IUPAC name is (2R)-3-methyl-2-[pentanoyl-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]amino]butanoic acid.
What is Valsartan EP Impurity A used for?
Valsartan EP Impurity A is supplied as a characterised reference material related to Valsartan. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.
Which grade and pack sizes of Valsartan EP Impurity A can I order?
We supply Valsartan EP Impurity A in Reference Standard (99.04%) grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Valsartan EP Impurity A?
Yes. Every lot of Valsartan EP Impurity A is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Valsartan EP Impurity A be shipped internationally?
Yes. Valsartan EP Impurity A is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.
Enquire about Valsartan EP Impurity A
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