7-Deaza-2-mercapto-hypoxanthine

Name: 7-Deaza-2-mercapto-hypoxanthine
Brand: Vaqora Chemicals
SKU: VQ-033580

About 7-Deaza-2-mercapto-hypoxanthine

7-Deaza-2-mercapto-hypoxanthine (CAS 67831-84-9) is an impurity of Ritlecitinib offered by Vaqora Chemicals. Formula C6H5N3OS, molecular weight 167.19 g/mol. Systematically, it is named 2-sulfanylidene-1,7-dihydropyrrolo[2,3-d]pyrimidin-4-one. Alternative names: 2-mercapto-7H-pyrrolo[2,3-d]pyrimidin-4-ol.

The product is provided 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 5 hazard statements. Review the Safety Data Sheet before use.

Pharmaceutical QC and development laboratories use this impurity standard of Ritlecitinib to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across 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

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

Industries

Related to Ritlecitinib

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

Ritlecitinib impurities

Specifications & identifiers

Chemical identifiers
Product name	7-Deaza-2-mercapto-hypoxanthine
Catalogue No.	VQ-033580
CAS Number	67831-84-9
IUPAC name	2-sulfanylidene-1,7-dihydropyrrolo[2,3-d]pyrimidin-4-one
Molecular formula	C₆H₅N₃OS
Molecular weight	167.19 g/mol
Exact mass	167.0153
Grade	Reference Standard
HSN code	38229090
InChIKey	QCZHCRBHXAFBDJ-UHFFFAOYSA-N
SMILES	C1=CNC2=C1C(=O)NC(=S)N2
PubChem CID	4091939

Physical properties
Physical form	Solid
LogP (XLogP3)	0.2
H-bond donors / acceptors	3 / 2
TPSA	89 Å²
Synonyms	3,7-Dihydro-2-thio-4H-pyrrolo[2,3-d]pyrimidin-4-one, 3,7-Dihydro-2-thio-4H-pyrrolo(2,3-d)pyrimidin-4-one, 2-Thioxo-2,3-dihydro-1H-pyrrolo[2,3-d]pyrimidin-4(7H)-one, 3-sulfanylidene-2,4,9-triazabicyclo[4.3.0]nona-7,10-dien-5-one, 2-mercapto-7H-pyrrolo[2,3-d]pyrimidin-4-ol, 2-thioxo-1,2,3,7-tetrahydro-4H-pyrrolo[2,3-d]pyrimidin-4-one, 2-mercapto-7H-pyrrolo[2,3-d]pyrimidin-4(3H)-one, 2-mercapto-7H-pyrrolo [2,3-d]pyrimidin-4(3H)-one, 2-sulfanyl-1,7-dihydropyrrolo[2,3-d]pyrimidin-4-one, 2-sulfanyl-3H,4H,7H-pyrrolo[2,3-d]pyrimidin-4-one, 2-mercapto-3,7-dihydro-4H-pyrrolo[2,3-d]pyrimidin-4-one, 2-Mercapto-3H-pyrrolo[2,3-d]pyrimidin-4(7H)-one AldrichCPR

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
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 7-Deaza-2-mercapto-hypoxanthine?

The CAS Registry Number of 7-Deaza-2-mercapto-hypoxanthine is 67831-84-9. It is also known as 3,7-Dihydro-2-thio-4H-pyrrolo[2,3-d]pyrimidin-4-one, 3,7-Dihydro-2-thio-4H-pyrrolo(2,3-d)pyrimidin-4-one, 2-Thioxo-2,3-dihydro-1H-pyrrolo[2,3-d]pyrimidin-4(7H)-one.

What is the molecular formula and molecular weight of 7-Deaza-2-mercapto-hypoxanthine?

7-Deaza-2-mercapto-hypoxanthine has the molecular formula C6H5N3OS and a molecular weight of 167.19 g/mol. Its IUPAC name is 2-sulfanylidene-1,7-dihydropyrrolo[2,3-d]pyrimidin-4-one.

What is 7-Deaza-2-mercapto-hypoxanthine used for?

7-Deaza-2-mercapto-hypoxanthine is supplied as a characterised reference material related to Ritlecitinib. 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 7-Deaza-2-mercapto-hypoxanthine can I order?

We supply 7-Deaza-2-mercapto-hypoxanthine 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 7-Deaza-2-mercapto-hypoxanthine?

Yes. Every lot of 7-Deaza-2-mercapto-hypoxanthine 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 7-Deaza-2-mercapto-hypoxanthine be shipped internationally?

Yes. 7-Deaza-2-mercapto-hypoxanthine 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.