2,4-Dichloro-5-methyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid CAS 2089769-97-9
| CAS No. | 2089769-97-9 |
| Molecular Formula | C8H5Cl2N3O2 |
| Molecular Weight | 246.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,4-Dichloro-5-methyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid (CAS 2089769-97-9), molecular formula C8H5Cl2N3O2 and molecular weight 246.05 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2,4-Dichloro-5-methyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid (C8H5Cl2N3O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 246.05 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2,4-Dichloro-5-methyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid 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 | C8H5Cl2N3O2 |
| Molecular Weight | 246.05 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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.) | 1997 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dichloro Standards
- 2,4-Dichloro-7-methyl-7H-pyrrolo[2,3-d]pyrimidine-6-carboxylic acid (CAS 1638760-84-5)
- 6,7-Dichloro-3-(hydroxyimino)-3,4-dihydroquinoxalin-2(1H)-one (CAS 177944-61-5)
- 3,3-Dichloro-1-(3-nitrophenyl)prop-2-en-1-one (CAS 41501-64-8)
- 2,4-dichloro-6-fluoro-7-methoxyquinoline (CAS 1606150-95-1)
- 1,3-Dichloro-6-fluoro-7-methoxyisoquinoline (CAS 2089258-03-5)
- 4,6-dichloro-N-(2,2,2-trifluoroethyl)pyrimidin-2-amine (CAS 1208109-04-9)
- 2,5-Dichloro-n-(2,2,2-trifluoroethyl)pyrimidin-4-amine (CAS 1215034-20-0)
- 1-(2,4-Dichloro-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)ethan-1-one (CAS 1010836-32-4)
Recommended Standards
- 2-(Bromomethyl)-5-(trifluoromethyl)thiazole (CAS 2853613-10-0)
- 2’-Iodoacetophenone (CAS 2142-70-3)
- 2-(Bromomethyl)-4-(trifluoromethyl)thiazole (CAS 852854-41-2)
- 2-Bromo-3-(difluoromethyl)-1H-indole (CAS 2092048-04-7)
- 2-Bromo-7-chloronaphthalene (CAS 321939-67-7)
- 2-((3-(Diethylamino)quinoxalin-2-yl)thio)acetic acid (CAS 893725-58-1)
- 3-(2,6-Dichlorophenyl)-5-methyl-N-{4-[(4-methylpyrimidin-2-yl)sulfamoyl]phenyl}-1,2-oxazole-4-carboxamide (CAS 349145-20-6)
- 4-((4-Methylquinolin-2-yl)amino)benzoic acid (CAS 57575-41-4)
- 4-(3-Methylisothiazol-5-yl)benzaldehyde (CAS 1401521-93-4)
- 3-Iodo-5-methoxybenzaldehyde (CAS 152734-38-8)
- 3-(4-Bromophenyl)-5-phenyl-1,2,4-oxadiazole (CAS 65004-19-5)
- (2R,3S)-3-((R)-1-((tert-Butyldimethylsilyl)-oxy)ethyl)-4-oxoazetidin-2-yl acetate (CAS 85954-95-6)
- 3-Methoxysalicylic acid (CAS 877-22-5)
- Custom peptides (CAS CATO-CPTD788509)
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