Letrozole Impurity C

Name: Letrozole Impurity C
Brand: Vaqora Chemicals
SKU: VQ-022952

About Letrozole Impurity C

Listed under CAS 112809-25-3, Letrozole Impurity C is an impurity of Letrozole available from Vaqora Chemicals. Formula C10H8N4, molecular weight 184.2 g/mol. Its systematic (IUPAC) name is 4-(1,2,4-triazol-1-ylmethyl)benzonitrile. Common synonyms include 4-((1H-1,2,4-Triazol-1-yl)methyl)benzonitrile and Letrozole EP Impurity C.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 6 hazard statements. Review the Safety Data Sheet before use.

This Letrozole impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Letrozole Impurity C is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Letrozole

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

Letrozole impurities

Specifications & identifiers

Chemical identifiers
Product name	Letrozole Impurity C
Catalogue No.	VQ-022952
CAS Number	112809-25-3
IUPAC name	4-(1,2,4-triazol-1-ylmethyl)benzonitrile
Molecular formula	C₁₀H₈N₄
Molecular weight	184.2 g/mol
Exact mass	184.0749
Grade	Reference Standard
HSN code	38229090
InChIKey	HQLYWHSJALKYOV-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1CN2C=NC=N2)C#N
PubChem CID	7537616

Physical properties
Physical form	Solid
LogP (XLogP3)	0.6
H-bond donors / acceptors	0 / 3
TPSA	54.5 Å²
Synonyms	4-((1H-1,2,4-Triazol-1-yl)methyl)benzonitrile, Letrozole EP Impurity C, 4-(1H-1,2,4-triazol-1-ylmethyl)benzonitrile, 4-(1H-1,2,4-Triazolylmethyl)benzonitrile, 1-(4-cyanobenzyl)-1,2,4-triazole, 4-[(1h-1,2,4-triazol-1-yl)methyl]benzonitrile, Benzonitrile, 4-(1H-1,2,4-triazol-1-ylmethyl)-, 4-[(1,2,4-triazol-1-yl)methyl]benzonitrile, 4-(1,2,4-triazolylmethyl)benzenecarbonitrile, 4-[1-(1,2,4-triazolyl)methyl]-benzontrile, 1-(4-cyano-benzyl)-1,2,4-triazole, 1-(4-cyanobenzyl)-1h-1,2,4-triazole

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, 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

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 Letrozole Impurity C?

The CAS Registry Number of Letrozole Impurity C is 112809-25-3. It is also known as 4-((1H-1,2,4-Triazol-1-yl)methyl)benzonitrile, Letrozole EP Impurity C, 4-(1H-1,2,4-triazol-1-ylmethyl)benzonitrile.

What is the molecular formula and molecular weight of Letrozole Impurity C?

Letrozole Impurity C has the molecular formula C10H8N4 and a molecular weight of 184.2 g/mol. Its IUPAC name is 4-(1,2,4-triazol-1-ylmethyl)benzonitrile.

What is Letrozole Impurity C used for?

Letrozole Impurity C is supplied as a characterised reference material related to Letrozole. 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 Letrozole Impurity C can I order?

We supply Letrozole Impurity C 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 Letrozole Impurity C?

Yes. Every lot of Letrozole Impurity C 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 Letrozole Impurity C be shipped internationally?

Yes. Letrozole Impurity C 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.