Ethyl Thiooxamate

Name: Ethyl Thiooxamate
Brand: Vaqora Chemicals
SKU: VQ-039902

About Ethyl Thiooxamate

Listed under CAS 16982-21-1, Ethyl Thiooxamate is a process intermediate or related compound of Allopurinol available from Vaqora Chemicals. With the molecular formula C4H7NO2S, it has a molar mass of 133.17 g/mol. Systematically, it is named ethyl 2-amino-2-sulfanylideneacetate. Common synonyms include ethyl 2-amino-2-thioxoacetate and ethyl carbamothioylformate.

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.

Process chemists and analysts use it when developing synthetic routes to Allopurinol, tracking process-related impurities and validating analytical methods. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Ethyl Thiooxamate in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development
Fine chemical synthesis

Industries

Related to Allopurinol

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

Allopurinol impurities

Specifications & identifiers

Chemical identifiers
Product name	Ethyl Thiooxamate
Catalogue No.	VQ-039902
CAS Number	16982-21-1
IUPAC name	ethyl 2-amino-2-sulfanylideneacetate
Molecular formula	C₄H₇NO₂S
Molecular weight	133.17 g/mol
Exact mass	133.0197
InChIKey	YMBMCMOZIGSBOA-UHFFFAOYSA-N
SMILES	CCOC(=O)C(=S)N
PubChem CID	2733398

Physical properties
Physical form	Solid
LogP (XLogP3)	0.4
H-bond donors / acceptors	1 / 3
TPSA	84.4 Å²
Synonyms	ethyl 2-amino-2-thioxoacetate, ethyl carbamothioylformate, ethyl 2-thiooxamate, ethyl amino(thioxo)acetate, Ethyl Thioxamate, Ethyl aminothioxoacetate, Ethyl amino(sulfanylidene)acetate, amino-thioxo-acetic acid ethyl ester, ethyl thioamidooxalate, Ethylthiocarbamoylformate, ethyl thiocarbamoylformate, Thiooxamic Acid Ethyl 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 Ethyl Thiooxamate?

The CAS Registry Number of Ethyl Thiooxamate is 16982-21-1. It is also known as ethyl 2-amino-2-thioxoacetate, ethyl carbamothioylformate, ethyl 2-thiooxamate.

What is the molecular formula and molecular weight of Ethyl Thiooxamate?

Ethyl Thiooxamate has the molecular formula C4H7NO2S and a molecular weight of 133.17 g/mol. Its IUPAC name is ethyl 2-amino-2-sulfanylideneacetate.

What is Ethyl Thiooxamate used for?

Ethyl Thiooxamate is supplied as a characterised reference material related to Allopurinol. 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 Ethyl Thiooxamate can I order?

We supply Ethyl Thiooxamate, 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 Ethyl Thiooxamate?

Yes. Every lot of Ethyl Thiooxamate 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 Ethyl Thiooxamate be shipped internationally?

Yes. Ethyl Thiooxamate 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.