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API Impurities

Tofacitinib Impurity Q

Reference StandardAvailable on request

Tofacitinib Impurity Q (CAS 3680-69-1) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-005449.

Pack sizes
Tofacitinib Impurity Q chemical structure
CAS number3680-69-1
FormulaC6H4ClN3
Molar mass153.57 g/mol
Physical formSolid
HS code38229090
InChIKeyBPTCCCTWWAUJRK-UHFFFAOYSA-N
IUPAC name4-chloro-7H-pyrrolo[2,3-d]pyrimidine

About Tofacitinib Impurity Q

Tofacitinib Impurity Q is supplied by Zemixal as a characterised reference material for Tofacitinib analysis. Identity at a glance (Reference Standard): CAS 3680-69-1, formula C6H4ClN3 and molar mass 153.57 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Safe handling

It carries the GHS signal word Danger (H301, H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Tofacitinib

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

Tofacitinib standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Tofacitinib Impurity Q
Product nameTofacitinib Impurity Q
Catalogue numberZX-005449
CAS number3680-69-1
IUPAC name4-chloro-7H-pyrrolo[2,3-d]pyrimidine
Molecular formulaC6H4ClN3
Molar mass153.57 g/mol
Exact mass153.0094
GradeReference Standard
Physical formSolid
XLogP31.6
H-bond donors / acceptors1 / 2
Topological polar surface area41.6 Ų
HS code38229090
InChIKeyBPTCCCTWWAUJRK-UHFFFAOYSA-N
SMILESC1=CNC2=C1C(=NC=N2)Cl
PubChem CID5356682
Synonyms6-Chloro-7-deazapurine, 4-Chloro-1H-pyrrolo[2,3-d]pyrimidine, 4-Chloropyrrolo[2,3-d]pyrimidine, Baricitinib Impurity B, 4-Chloropyrrolo(2,3-d)pyrimidine, 7H-Pyrrolo(2,3-d)pyrimidine, 4-chloro-, 4-Chloro-1H-pyrrolo(2,3-d)pyrimidine, 7H-Pyrrolo[2,3-d]pyrimidine, 4-chloro-, 4-Chloro-7H-pyrrolo(2,3-d)pyrimidine, Tofacitinib Impurity 06, Tofacitinib Impurity 84, 6-chloro-7-deaza purine

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H301Toxic if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, 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 Tofacitinib Impurity Q
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 Tofacitinib Impurity Q

Which CAS number identifies Tofacitinib Impurity Q?
Tofacitinib Impurity Q is registered under CAS 3680-69-1. You may also see it listed as 6-Chloro-7-deazapurine, 4-Chloro-1H-pyrrolo[2,3-d]pyrimidine, 4-Chloropyrrolo[2,3-d]pyrimidine. Our catalogue number for this item is ZX-005449.
What are the formula and molar mass of Tofacitinib Impurity Q?
For Tofacitinib Impurity Q, its formula is C6H4ClN3 and its molar mass is 153.57 g/mol. The systematic (IUPAC) name is 4-chloro-7H-pyrrolo[2,3-d]pyrimidine. InChIKey BPTCCCTWWAUJRK-UHFFFAOYSA-N lets you match it in any structure database.
How is Tofacitinib Impurity Q used in pharmaceutical QC?
Tofacitinib Impurity Q is a characterised reference material linked to Tofacitinib. 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 Tofacitinib Impurity Q?
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 Tofacitinib Impurity Q?
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 Tofacitinib Impurity Q to my country?
Yes. Because Tofacitinib Impurity Q 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.

More Tofacitinib standards

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