Tofacitinib Impurity 24

Name: Tofacitinib Impurity 24
Brand: Zemixal
SKU: ZX-005444

Reference StandardIn stock

Tofacitinib Impurity 24 (CAS 134965-85-8) supplier Zemixal: C12H7ClN6, COA and SDS with every lot, worldwide shipping. Packs from 10 mg.

Pack sizes

Tofacitinib Impurity 24 chemical structure

CAS number134965-85-8

FormulaC₁₂H₇ClN₆

Molar mass270.68 g/mol

Physical formSolid

HS code38229090

InChIKeyVKXBNSZBGQFCPE-UHFFFAOYSA-N

IUPAC name4-chloro-7-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)pyrrolo[2,3-d]pyrimidine

About Tofacitinib Impurity 24

Tofacitinib Impurity 24 belongs to the Tofacitinib reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 134965-85-8, formula C12H7ClN6 and molar mass 270.68 g/mol. It is handled as a solid.

Where it is used

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

Handling and storage

Hazard communication follows GHS (Warning: H302, H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg and 50 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

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

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Tofacitinib Impurity 24
Product name	Tofacitinib Impurity 24
Catalogue number	ZX-005444
CAS number	134965-85-8
IUPAC name	4-chloro-7-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)pyrrolo[2,3-d]pyrimidine
Molecular formula	C₁₂H₇ClN₆
Molar mass	270.68 g/mol
Exact mass	270.0421
Grade	Reference Standard
Physical form	Solid
XLogP3	2.3
H-bond donors / acceptors	1 / 4
Topological polar surface area	72.3 Å²
HS code	38229090
InChIKey	VKXBNSZBGQFCPE-UHFFFAOYSA-N
SMILES	C1=CNC2=C1C(=NC=N2)N3C=CC4=C3N=CN=C4Cl
PubChem CID	15726011
Synonyms	4-(4-chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-1H-Pyrrolo[2,3-d]pyrimidine, 4′-Chloro-4,7′-bi-7H-pyrrolo[2,3-d]pyrimidine, [4-Chloro-7-{7H-pyrrolo[2,3-d]pyrimidin-4-yl}-7H-pyrrolo[2,3-d]pyrimidine], 4'-Chloro-7H-4,7'-bipyrrolo[2,3-d]pyrimidine, 4'-Chloro-4,7'-bi-7H-pyrrolo[2,3-d]pyrimidine, 4'-Chloro-4,7'-bi-7H-pyrrolo(2,3-d)pyrimidine, 4-chloro-7-{7H-pyrrolo[2,3-d]pyrimidin-4-yl}-7H-pyrrolo[2,3-d]pyrimidine, 4-Chloro-7-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)-7H-pyrrolo[2,3-d]pyrimidine, 4,7'-Bi-7H-pyrrolo[2,3-d]pyrimidine, 4'-chloro-, 1H-Pyrrolo[2,3-d]pyrimidine, 4-(4-chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-

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

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, 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 24
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted 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 24

Which CAS number identifies Tofacitinib Impurity 24?

Tofacitinib Impurity 24 is registered under CAS 134965-85-8. You may also see it listed as 4-(4-chloro-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-1H-Pyrrolo[2,3-d]pyrimidine, 4′-Chloro-4,7′-bi-7H-pyrrolo[2,3-d]pyrimidine, [4-Chloro-7-{7H-pyrrolo[2,3-d]pyrimidin-4-yl}-7H-pyrrolo[2,3-d]pyrimidine]. Our catalogue number for this item is ZX-005444.

What are the formula and molar mass of Tofacitinib Impurity 24?

For Tofacitinib Impurity 24, its formula is C12H7ClN6 and its molar mass is 270.68 g/mol. The systematic (IUPAC) name is 4-chloro-7-(7H-pyrrolo[2,3-d]pyrimidin-4-yl)pyrrolo[2,3-d]pyrimidine. InChIKey VKXBNSZBGQFCPE-UHFFFAOYSA-N lets you match it in any structure database.

How is Tofacitinib Impurity 24 used in pharmaceutical QC?

Tofacitinib Impurity 24 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 24?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Tofacitinib Impurity 24?

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 24 to my country?

Yes. Because Tofacitinib Impurity 24 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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