6-Chloro-4-methoxy-1H-pyrazolo[3,4-d]pyrimidine CAS 98138-75-1
| CAS No. | 98138-75-1 |
| Molecular Formula | C6H5ClN4O |
| Molecular Weight | 184.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 184.58 g/mol gives 6-Chloro-4-methoxy-1H-pyrazolo[3,4-d]pyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 6-Chloro-4-methoxy-1H-pyrazolo[3,4-d]pyrimidine (CAS 98138-75-1), a certified reference material (molecular formula C6H5ClN4O, MW 184.58 g/mol) for analytical method development and quality control.
6-Chloro-4-methoxy-1H-pyrazolo[3,4-d]pyrimidine (C6H5ClN4O) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 6-Chloro-4-methoxy-1H-pyrazolo[3,4-d]pyrimidine 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 | C6H5ClN4O |
| Molecular Weight | 184.58 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 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloro Standards
- 7-Chloro-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one (CAS 105544-33-0)
- 4-Chloro-6-methoxy-1H-pyrazolo[3,4-d]pyrimidine (CAS 1060816-54-7)
- (6-Chloro-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methanol (CAS 1175301-94-6)
- 4-Chloro-3,7-dihydro-1H-pyrrolo[2,3-b]pyridine-2,6-dione (CAS 1190313-44-0)
- 6-Chloro-4-hydroxy-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190314-80-7)
- 5-Chloro-1H-pyrrolo[2,3-b]pyridine-2,6(3H,7H)-dione (CAS 1190315-19-5)
- 8-CHLORO-1H-PYRIDO[2,3-B][1,4]OXAZIN-2(3H)-ONE (CAS 1198154-62-9)
- 2-Chloro-5-formylbenzoic acid (CAS 1206625-81-1)
Recommended Standards
- 6-chloro-2-methyl-1H,2H,4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 665010-49-1)
- 6-Chloro-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7(1H)-one (CAS 41081-76-9)
- 6-Chloro-2-methyl-[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one (CAS 65866-54-8)
- 6-Chloro-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-ol (CAS 3149-90-4)
- 2-Acetylphenyl 4-methylbenzoate (CAS 4010-26-8)
- 2-Chloro-5-(6-oxo-1,6-dihydropyridazin-3-yl)-benzenesulfonyl chloride (CAS 1160264-18-5)
- n-(2-(Pyridin-2-yl)ethyl)benzamide (CAS 4976-05-0)
- ((3R,4S)-4-methoxytetrahydrofuran-3-yl)methanol (CAS 1207624-77-8)
- 1,3-Propylenediisothiocyanate (CAS 109704-32-7)
- 1-Bromo-4-(3-bromopropoxy)benzene (CAS 7497-87-2)
- 5-Chloro-2,4-difluorobenzoic Acid (CAS 130025-33-1)
- 2-(3-Pyrazolyl)pyridine (CAS 75415-03-1)
- Tert-butyl (S)-(1-(diethylamino)-3-methyl-1-oxobutan-2-yl)carbamate (CAS 132393-08-9)
- Peptide Impurity 13 (CAS CATO-CPTD788813)
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