(R)-3-(4-Bromo-1H-pyrazol-1-yl)-3-cyclopentylpropanenitrile
- CAS
- 1146629-83-5
- Formula
- C11H14BrN3
- MW
- 268.15 g/mol
ZX-040293
API Impurities
4-Methyl-7H-pyrrolo[2,3-d]pyrimidine
Reference StandardAvailable on request
4-Methyl-7H-pyrrolo[2,3-d]pyrimidine (CAS 945950-37-8) supplier Zemixal: C7H7N3, COA and SDS with every lot, worldwide shipping.
![4-Methyl-7H-pyrrolo[2,3-d]pyrimidine chemical structure](/media/structures/zx-QWIAHMVNMONKCU-UHFFFAOYSA-N.svg?v=2)
CAS number945950-37-8
FormulaC7H7N3
Molar mass133.15 g/mol
Physical formSolid
HS code38229090
InChIKeyQWIAHMVNMONKCU-UHFFFAOYSA-N
IUPAC name4-methyl-7H-pyrrolo[2,3-d]pyrimidine
About 4-Methyl-7H-pyrrolo[2,3-d]pyrimidine
4-Methyl-7H-pyrrolo[2,3-d]pyrimidine belongs to the Ruxolitinib reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 945950-37-8, formula C7H7N3 and molar mass 133.15 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
It carries the GHS signal word Warning (H302), 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. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Reference standards for Ruxolitinib
See every impurity, metabolite and related compound we list for this API.
Ruxolitinib standardsTypical uses
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Applications
Specifications and identifiers
| Product name | 4-Methyl-7H-pyrrolo[2,3-d]pyrimidine |
|---|---|
| Catalogue number | ZX-042472 |
| CAS number | 945950-37-8 |
| IUPAC name | 4-methyl-7H-pyrrolo[2,3-d]pyrimidine |
| Molecular formula | C7H7N3 |
| Molar mass | 133.15 g/mol |
| Exact mass | 133.064 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 1.1 |
| H-bond donors / acceptors | 1 / 2 |
| Topological polar surface area | 41.6 Ų |
| HS code | 38229090 |
| InChIKey | QWIAHMVNMONKCU-UHFFFAOYSA-N |
| SMILES | CC1=C2C=CNC2=NC=N1 |
| PubChem CID | 51341959 |
| Synonyms | 7H-Pyrrolo[2,3-d]pyrimidine, 4-methyl-, 4-methyl-1H-pyrrolo[2,3-d]pyrimidine, 4-methyl-7H-pyrrazolo[2,3-d]pyrimidine |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H302Harmful if swallowed
Precautionary statements P264, P270, P301 + P317, P330, 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
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 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 4-Methyl-7H-pyrrolo[2,3-d]pyrimidine
Which CAS number identifies 4-Methyl-7H-pyrrolo[2,3-d]pyrimidine?
4-Methyl-7H-pyrrolo[2,3-d]pyrimidine is registered under CAS 945950-37-8. You may also see it listed as 7H-Pyrrolo[2,3-d]pyrimidine, 4-methyl-, 4-methyl-1H-pyrrolo[2,3-d]pyrimidine, 4-methyl-7H-pyrrazolo[2,3-d]pyrimidine. Our catalogue number for this item is ZX-042472.
What are the formula and molar mass of 4-Methyl-7H-pyrrolo[2,3-d]pyrimidine?
For 4-Methyl-7H-pyrrolo[2,3-d]pyrimidine, its formula is C7H7N3 and its molar mass is 133.15 g/mol. The systematic (IUPAC) name is 4-methyl-7H-pyrrolo[2,3-d]pyrimidine. InChIKey QWIAHMVNMONKCU-UHFFFAOYSA-N lets you match it in any structure database.
How is 4-Methyl-7H-pyrrolo[2,3-d]pyrimidine used in pharmaceutical QC?
4-Methyl-7H-pyrrolo[2,3-d]pyrimidine is a characterised reference material linked to Ruxolitinib. 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 4-Methyl-7H-pyrrolo[2,3-d]pyrimidine?
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 4-Methyl-7H-pyrrolo[2,3-d]pyrimidine?
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 4-Methyl-7H-pyrrolo[2,3-d]pyrimidine to my country?
Yes. Because 4-Methyl-7H-pyrrolo[2,3-d]pyrimidine 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 Ruxolitinib standards
More in API Impurities
(R)-(4-(1-(2-Cyano-1-cyclopentylethyl)-1H-pyrazol-4-yl)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)methyl Pivalate
- CAS
- 1146629-80-2
- Formula
- C23H28N6O2
- MW
- 420.5 g/mol
ZX-032351
(S)-3-(4-Bromo-1H-pyrazol-1-yl)-3-cyclopentylpropanenitrile
- CAS
- 2183286-19-1
- Formula
- C11H14BrN3
- MW
- 268.15 g/mol
ZX-032350
(R)-3-Cyclopentyl-3-(4-(7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl)-1H-pyrazol-1-yl)propanenitrile
- CAS
- 941685-40-1
- Formula
- C23H32N6OSi
- MW
- 436.6 g/mol
ZX-032348
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