Methyl 1,2,4-Triazole-3-carboxylate

Name: Methyl 1,2,4-Triazole-3-carboxylate
Brand: Vaqora Chemicals
SKU: VQ-050196

About Methyl 1,2,4-Triazole-3-carboxylate

Listed under CAS 4928-88-5, Methyl 1,2,4-Triazole-3-carboxylate is an impurity of Ribavirin available from Vaqora Chemicals. With the molecular formula C4H5N3O2, it has a molar mass of 127.1 g/mol. Systematically, it is named methyl 1H-1,2,4-triazole-5-carboxylate. Alternative names: methyl 1H-1,2,4-triazole-3-carboxylate and methyl 4H-1,2,4-triazole-3-carboxylate.

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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of Ribavirin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Methyl 1,2,4-Triazole-3-carboxylate in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Ribavirin

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

Ribavirin impurities

Specifications & identifiers

Chemical identifiers
Product name	Methyl 1,2,4-Triazole-3-carboxylate
Catalogue No.	VQ-050196
CAS Number	4928-88-5
IUPAC name	methyl 1H-1,2,4-triazole-5-carboxylate
Molecular formula	C₄H₅N₃O₂
Molecular weight	127.1 g/mol
Exact mass	127.0382
Grade	Reference Standard
HSN code	38229090
InChIKey	QMPFMODFBNEYJH-UHFFFAOYSA-N
SMILES	COC(=O)C1=NC=NN1
PubChem CID	2735089

Physical properties
Physical form	Solid
LogP (XLogP3)	0.2
H-bond donors / acceptors	1 / 4
TPSA	67.9 Å²
Synonyms	methyl 1H-1,2,4-triazole-3-carboxylate, methyl 4H-1,2,4-triazole-3-carboxylate, 1H-1,2,4-Triazole-3-carboxylic acid methyl ester, Methyl-1H-1,2,4-triazole-3-carboxylate, 1H-1,2,4-Triazole-3-carboxylic acid, methyl ester, methyl1H-1,2,4-triazole-3-carboxylate, 1,2,4-triazole-3-carboxylic acid methyl ester, 5-carbomethoxy-1,2,4-triazole, 3-methoxycarbonyl-1,2,4-triazole, 1,2,4-Triazole-3-methyl-carboxylate, 1H-[1,2,4]triazole-3-carboxylic acid methyl ester

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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 Methyl 1,2,4-Triazole-3-carboxylate?

The CAS Registry Number of Methyl 1,2,4-Triazole-3-carboxylate is 4928-88-5. It is also known as methyl 1H-1,2,4-triazole-3-carboxylate, methyl 4H-1,2,4-triazole-3-carboxylate, 1H-1,2,4-Triazole-3-carboxylic acid methyl ester.

What is the molecular formula and molecular weight of Methyl 1,2,4-Triazole-3-carboxylate?

Methyl 1,2,4-Triazole-3-carboxylate has the molecular formula C4H5N3O2 and a molecular weight of 127.1 g/mol. Its IUPAC name is methyl 1H-1,2,4-triazole-5-carboxylate.

What is Methyl 1,2,4-Triazole-3-carboxylate used for?

Methyl 1,2,4-Triazole-3-carboxylate is supplied as a characterised reference material related to Ribavirin. 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 Methyl 1,2,4-Triazole-3-carboxylate can I order?

We supply Methyl 1,2,4-Triazole-3-carboxylate 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 Methyl 1,2,4-Triazole-3-carboxylate?

Yes. Every lot of Methyl 1,2,4-Triazole-3-carboxylate 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 Methyl 1,2,4-Triazole-3-carboxylate be shipped internationally?

Yes. Methyl 1,2,4-Triazole-3-carboxylate 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.