Methyl 5-chloro-7-methyl-7H-pyrrolo[2,3-d]pyrimidine-4-carboxylate CAS 1823922-80-0
| CAS No. | 1823922-80-0 |
| Molecular Formula | C9H8ClN3O2 |
| Molecular Weight | 225.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, Methyl 5-chloro-7-methyl-7H-pyrrolo[2,3-d]pyrimidine-4-carboxylate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 225.63 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies Methyl 5-chloro-7-methyl-7H-pyrrolo[2,3-d]pyrimidine-4-carboxylate (CAS 1823922-80-0), a certified reference material (molecular formula C9H8ClN3O2, MW 225.63 g/mol) for analytical method development and quality control.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), Methyl 5-chloro-7-methyl-7H-pyrrolo[2,3-d]pyrimidine-4-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H8ClN3O2 |
| Molecular Weight | 225.63 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- Ethyl 7-chloro-1H-pyrazolo[4,3-B]pyridine-6-carboxylate (CAS 100478-04-4)
- 5-(5-chloro-2-methoxyphenyl)-1,3,4-oxadiazol-2-amine (CAS 1016686-46-6)
- Ethyl 5-chloro-3H-imidazo[4,5-b]pyridine-2-carboxylate (CAS 1044772-75-9)
- Ethyl 2-chloro-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylate (CAS 1060816-62-7)
- ethyl 6-chloro-1H-pyrazolo[3,4-b]pyridine-3-carboxylate (CAS 1083181-27-4)
- 5-Chloro-1,3-dimethyl-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-2,4-dione (CAS 112734-83-5)
- Methyl 4-chloro-2-cyano-5-methoxybenzoate (CAS 1138220-78-6)
- Methyl 6-chloro-8-methylimidazo[1,2-b]pyridazine-3-carboxylate (CAS 1150566-87-2)
Recommended Standards
- 4-(4-Chlorobenzyl)oxazolidine-2,5-dione (CAS 1822457-10-2)
- Ethyl 4-Chloro-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylate (CAS 187725-00-4)
- (2E)-4-[(3-Chlorophenyl)amino]-4-oxobut-2-enoic acid (CAS 18196-80-0)
- 2-(6-Chloro-2-oxoindolin-5-yl)acetic acid (CAS 188797-78-6)
- 2-(((3-(Trifluoromethoxy)phenyl)amino)methyl)phenol (CAS 1020966-41-9)
- 2-[(3-methoxyphenyl)amino]-N-methylacetamide (CAS 1020940-87-7)
- N-cyclopropyl-N-ethyl-3,5-dimethyl-1H-pyrazole-4-sulfonamide (CAS 1290685-35-6)
- 2-Methyl-4,6-bis(methylthio)pyrimidin-5-amine (CAS 134992-28-2)
- 6-Methyl-4-(pyrrolidin-1-yl)pyrazolo[1,5-a]pyrazine-2-carboxylic acid (CAS 1708080-13-0)
- 1-(3-Bromobenzoyl)piperidin-4-one (CAS 1016813-74-3)
- tert-Butyl 4-(3-fluorophenyl)piperidine-1-carboxylate (CAS 1086398-00-6)
- 4-(4-(4-Bromophenyl)-5-((4-nitrobenzyl)thio)-4H-1,2,4-triazol-3-yl)pyridine (CAS 477330-04-4)
- 3-(Pyridin-4-yl)benzaldehyde (CAS 208190-04-9)
- [3,5 Diiodo-Tyr7] Peptide T (CAS 128551-40-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com