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API Impurities

7-Deaza-2-mercapto-hypoxanthine

Reference StandardAvailable on request

Order 7-Deaza-2-mercapto-hypoxanthine (CAS 67831-84-9) online at Zemixal. Request a quote with price, lead time and documents.

Pack sizes
7-Deaza-2-mercapto-hypoxanthine chemical structure
CAS number67831-84-9
FormulaC6H5N3OS
Molar mass167.19 g/mol
Physical formSolid
HS code38229090
InChIKeyQCZHCRBHXAFBDJ-UHFFFAOYSA-N
IUPAC name2-sulfanylidene-1,7-dihydropyrrolo[2,3-d]pyrimidin-4-one

About 7-Deaza-2-mercapto-hypoxanthine

Analytical teams working on Ritlecitinib use 7-Deaza-2-mercapto-hypoxanthine as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 67831-84-9, formula C6H5N3OS and molar mass 167.19 g/mol. It is handled as a solid.

Use cases we see most often

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

Handling and storage

Classified under GHS with signal word Warning and hazard statements H302, H315, H319 and H332. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Ritlecitinib

See every impurity, metabolite and related compound we list for this API.

Ritlecitinib standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of 7-Deaza-2-mercapto-hypoxanthine
Product name7-Deaza-2-mercapto-hypoxanthine
Catalogue numberZX-032229
CAS number67831-84-9
IUPAC name2-sulfanylidene-1,7-dihydropyrrolo[2,3-d]pyrimidin-4-one
Molecular formulaC6H5N3OS
Molar mass167.19 g/mol
Exact mass167.0153
GradeReference Standard
Physical formSolid
XLogP30.2
H-bond donors / acceptors3 / 2
Topological polar surface area89 Ų
HS code38229090
InChIKeyQCZHCRBHXAFBDJ-UHFFFAOYSA-N
SMILESC1=CNC2=C1C(=O)NC(=S)N2
PubChem CID4091939
Synonyms3,7-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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • 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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of 7-Deaza-2-mercapto-hypoxanthine
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about 7-Deaza-2-mercapto-hypoxanthine

Which CAS number identifies 7-Deaza-2-mercapto-hypoxanthine?
7-Deaza-2-mercapto-hypoxanthine is registered under CAS 67831-84-9. You may also see it listed 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. Our catalogue number for this item is ZX-032229.
What are the formula and molar mass of 7-Deaza-2-mercapto-hypoxanthine?
For 7-Deaza-2-mercapto-hypoxanthine, its formula is C6H5N3OS and its molar mass is 167.19 g/mol. The systematic (IUPAC) name is 2-sulfanylidene-1,7-dihydropyrrolo[2,3-d]pyrimidin-4-one. InChIKey QCZHCRBHXAFBDJ-UHFFFAOYSA-N lets you match it in any structure database.
How is 7-Deaza-2-mercapto-hypoxanthine used in pharmaceutical QC?
7-Deaza-2-mercapto-hypoxanthine is a characterised reference material linked to Ritlecitinib. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for 7-Deaza-2-mercapto-hypoxanthine?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 7-Deaza-2-mercapto-hypoxanthine?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 7-Deaza-2-mercapto-hypoxanthine to my country?
Yes. Because 7-Deaza-2-mercapto-hypoxanthine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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