8-Chloroquinazoline-2,4-diamine CAS 923515-01-9
| CAS No. | 923515-01-9 |
| Molecular Formula | C8H7ClN4 |
| Molecular Weight | 194.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 8-Chloroquinazoline-2,4-diamine.
8-Chloroquinazoline-2,4-diamine (CAS 923515-01-9), molecular formula C8H7ClN4 and molecular weight 194.62 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H7ClN4, 8-Chloroquinazoline-2,4-diamine contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 194.62 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures 8-Chloroquinazoline-2,4-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 | C8H7ClN4 |
| Molecular Weight | 194.62 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chloroquinazoline Standards
- 6-Chloroquinazoline-2,4-diamine (CAS 18671-95-9)
- 7-Chloroquinazoline-2,4-diamine (CAS 27018-19-5)
- 6-Chloroquinazoline-2,4-dione (CAS 1640-60-4)
- 8-Chloroquinazoline-2,4-diol (CAS 62484-22-4)
- 2-Chloroquinazoline-4-carbaldehyde (CAS 944903-02-0)
- 4-Chloroquinazoline-2-carbaldehyde (CAS 944903-04-2)
- 4-Chloroquinazoline-6-carbaldehyde (CAS 648449-05-2)
- 7-Chloroquinazoline-4(3H)-thione (CAS 6967-32-4)
Recommended Standards
- 8-Chloro-6-methylquinazolin-4(3H)-one (CAS 860193-22-2)
- Bromo((bromomethyl)sulfonyl)methane (CAS 30506-10-6)
- 8-Chloro-5-methoxy-1,6-naphthyridine (CAS 53731-32-1)
- Hydralazine Impurity 6 (CAS 59283-60-2)
- 3,4-Di(furan-2-yl)-1-(pyridin-2-yl)-6,7-dihydro-5H-cyclopenta[c]pyridine (CAS 692729-84-3)
- 2-(4-Bromophenyl)-3'-cyanoacetophenone (CAS 898784-14-0)
- Methyl 4-chloro-3-sulfamoylbenzoate (CAS 1208-40-8)
- 2-Fluoro-3-phenylbicyclo[1.1.1]pentane-1-carboxylic acid (CAS 2648962-09-6)
- 2-Methoxy-2-methylpropane-1-sulfonyl chloride (CAS 338452-93-0)
- Tert-butyl (3R,4S)-3,4-dihydroxypiperidine-1-carboxylate (CAS 951766-53-3)
- N-(3,4-Dihydro-2H-benzo[b][1,4]dioxepin-7-yl)pyrimidin-2-amine (CAS 1031507-97-7)
- Methyl 4-(4-fluorophenyl)-3-oxobutanoate (CAS 500366-84-7)
- n-((1h-Tetrazol-5-yl)methyl)-2-methylpropan-1-amine (CAS 1250725-22-4)
- Neuropeptide SF (human) (CAS 192387-39-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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