3-Chloro-1H-pyrazolo[3,4-d]pyrimidine-4,6-diamine CAS 637338-77-3
| CAS No. | 637338-77-3 |
| Molecular Formula | C5H5ClN6 |
| Molecular Weight | 184.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H5ClN6, 3-Chloro-1H-pyrazolo[3,4-d]pyrimidine-4,6-diamine contains a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 184.59 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 3-Chloro-1H-pyrazolo[3,4-d]pyrimidine-4,6-diamine (CAS 637338-77-3), a certified reference material (molecular formula C5H5ClN6, MW 184.59 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.
CATO manufactures 3-Chloro-1H-pyrazolo[3,4-d]pyrimidine-4,6-diamine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H5ClN6 |
| Molecular Weight | 184.59 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 |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 6 |
Related Chloro Standards
- 4-Chloro-5-fluoro-2,3-dihydro-1H-inden-1-one (CAS 1092347-24-4)
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- 5-Chloro-4-fluoro-2,3-dihydro-1H-inden-1-one (CAS 1260013-11-3)
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- 1-(3-Chloro-2-fluorophenyl)prop-2-en-1-one (CAS 1422510-29-9)
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Recommended Standards
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- 3-(4-Chloro-2-fluorophenyl)prop-2-yn-1-ol (CAS 865659-21-8)
- 4-Chloro-5-(difluoromethyl)thiazol-2-amine (CAS 2092062-99-0)
- 3-hydroxy-2-iodocyclohex-2-en-1-one (CAS 642088-17-3)
- (S)-(-)-1,1,1-trifluorononan-2-ol (CAS 147991-84-2)
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- 2-(2-((2,5-Dimethylbenzyl)thio)thiazol-4-yl)acetic acid (CAS 1050101-82-0)
- Tert-butyl 3-(3-hydroxycyclobutyl)azetidine-1-carboxylate (CAS 2359439-86-2)
- Sodium 2,5-dihydroxybenzenesulfonate (CAS 10021-55-3)
- cis-4-Cyclohexene-1,2-dicarboxylic Anhydride (CAS 935-79-5)
- 1-(1-Phenyl-3-(trimethylsilyl)-1H-pyrazol-4-yl)ethanone (CAS 920984-35-6)
- 5-Amino-N-(3-methoxyphenyl)-1-(2-methylbenzyl)-1H-1,2,3-triazole-4-carboxamide (CAS 899738-01-3)
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