4-chloro-5,6,7,8-tetrahydropteridin-6-one hydrochloride CAS 1955539-81-7
| CAS No. | 1955539-81-7 |
| Molecular Formula | C6H5ClN4O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C6H5ClN4OHCl, 4-chloro-5,6,7,8-tetrahydropteridin-6-one hydrochloride contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 221.04 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
4-chloro-5,6,7,8-tetrahydropteridin-6-one hydrochloride (CAS 1955539-81-7), molecular formula C6H5ClN4OHCl and molecular weight 221.04 g/mol, is a CATO reference standard with documented purity and traceability.
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 4-chloro-5,6,7,8-tetrahydropteridin-6-one hydrochloride 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 | C6H5ClN4O HCl |
| Molecular Weight | 221.04 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 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
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Recommended Standards
- (S)-1-(3-bromo-5-chlorophenyl)propan-1-amine (CAS 1344590-10-8)
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- 5-Butyl-2H-pyrazole-3-carboxylic acid ethyl ester (CAS 72894-00-9)
- 5-Bromo-2-butoxybenzaldehyde 515148-88-6 C11H13BrO2 V6334 (CAS 515148-88-6)
- 3,5-Dichloro-2,6-difluoro-N-methylpyridin-4-amine (CAS 17723-15-8)
- 2-(4-aminophenyl)-N-(2-methoxyethyl)acetamide (CAS 926185-03-7)
- Glucagon receptor antagonists-2 (CAS 202917-18-8)
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