Losartan EP Impurity B

Name: Losartan EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-021240

About Losartan EP Impurity B

Vaqora Chemicals supplies Losartan EP Impurity B, a pharmacopeial impurity of Losartan registered under CAS number 160514-13-6. The compound has the formula C14H12N4O, corresponding to a molecular weight of 252.27 g/mol. The IUPAC name is [4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methanol. Alternative names: Losartan Potassium - Impurity B and p-(o-1H-tetrazol-5-ylphenyl)benzyl alcohol.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Losartan, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from 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.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Losartan

View every impurity, metabolite and intermediate we list for Losartan.

Losartan impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Losartan EP Impurity B
Catalogue No.	VQ-021240
CAS Number	160514-13-6
IUPAC name	[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methanol
Molecular formula	C₁₄H₁₂N₄O
Molecular weight	252.27 g/mol
Exact mass	252.1011
Grade	Reference Standard
HSN code	38229090
InChIKey	ZRQJTHPAIULYJV-UHFFFAOYSA-N
SMILES	C1=CC=C(C(=C1)C2=CC=C(C=C2)CO)C3=NNN=N3
PubChem CID	11507097

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	2 / 4
TPSA	74.7 Å²
Synonyms	Losartan Potassium - Impurity B, p-(o-1H-tetrazol-5-ylphenyl)benzyl alcohol, Candesartan Hydroxy Impurity, Irbesartan Impurity D, Irbesartan Hydroxy Impurity, (2'-(1H-Tetrazol-5-yl)biphenyl-4-yl)methanol, [2'-(1H-Tetrazol-5-yl)biphenyl-4-yl]methanol, Losartan potassium impurity B, 2'-[(1H-Tetrazol-5-yl)biphenyl-4-yl]methanol, (2'-(2H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methanol, (1,1'-Biphenyl)-4-methanol, 2'-(2H-tetrazol-5-yl)-, 2'-(1H-Tetrazol-5-yl)-[1,1'-biphenyl]-4-methanol

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Losartan EP Impurity B?

The CAS Registry Number of Losartan EP Impurity B is 160514-13-6. It is also known as Losartan Potassium - Impurity B, p-(o-1H-tetrazol-5-ylphenyl)benzyl alcohol, Candesartan Hydroxy Impurity.

What is the molecular formula and molecular weight of Losartan EP Impurity B?

Losartan EP Impurity B has the molecular formula C14H12N4O and a molecular weight of 252.27 g/mol. Its IUPAC name is [4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methanol.

What is Losartan EP Impurity B used for?

Losartan EP Impurity B is supplied as a characterised reference material related to Losartan. 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 Losartan EP Impurity B can I order?

We supply Losartan EP Impurity B in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Losartan EP Impurity B?

Yes. Every lot of Losartan EP Impurity B 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 Losartan EP Impurity B be shipped internationally?

Yes. Losartan EP Impurity B 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.