4,6-Diamino Pyrimidine-5-Amine Hydrogen Sulfate CAS 68738-86-3
| CAS No. | 68738-86-3 |
| Molecular Formula | C4H7N5 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 223.21 g/mol gives 4,6-Diamino Pyrimidine-5-Amine Hydrogen Sulfate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4,6-Diamino Pyrimidine-5-Amine Hydrogen Sulfate (CAS 68738-86-3) is a high-purity analytical reference standard with the molecular formula C4H7N5H2O4S and a molecular weight of 223.21 g/mol.
4,6-Diamino Pyrimidine-5-Amine Hydrogen Sulfate (C4H7N5H2O4S) contains a carbohydrate-derived structure, an amide group, a sulfone group. It is notably hygroscopic, the carboxyl group imparts weak acidity; 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.
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 4,6-Diamino Pyrimidine-5-Amine Hydrogen Sulfate 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 | C4H7N5 H2O4S |
| Molecular Weight | 223.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Diamino Standards
- 2,6-Diamino-3,5-di-(trimethylsilyl)acetylenylpyridine (CAS 1000342-76-6)
- 2,6-Diamino-4-(benzyloxy)pyrimidine (CAS 100061-59-4)
- 2,6-diamino-3H,7H,8H-imidazo[4,5-g]quinazolin-8-one (CAS 1001242-71-2)
- 4,5-diamino-2-thiouracil (CAS 1004-76-8)
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Recommended Standards
- N,α,α-Trimethyldiphenethylamine (CAS 53660-19-8)
- 4-amino-N-[2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindolin-5-yl]butanamide (CAS 2421217-06-1)
- tert-Butyl (S)-2-(3,5-dimethoxyphenyl)piperazine-1-carboxylate (CAS 1260608-71-6)
- 2-(1-Methyl-1H-1,2,4-triazol-5-yl)acetonitrile dihydrochloride (CAS 2138419-85-7)
- Phosphoric Acid Tris(4-methylphenyl)-d21 Ester (CAS 2469244-63-9)
- (3-Fluoro-4-((2-fluorophenyl)sulfonamido)phenyl)boronic acid compound with 2,3-dimethylbutane-2,3-diol (1:1) (CAS 1314069-48-1)
- 4-Amino-2-chloro-5-nitropyridine (CAS 2604-39-9)
- 1-(4-Chlorobenzyl)-5-methyl-3-nitro-1h-pyrazole (CAS 1001510-38-8)
- 5-(3,5-Dichlorophenyl)-1,3,4-oxadiazole-2(3H)-thione (CAS 781556-24-9)
- Tirzepatide Impurity 58 (CAS CATO-C4X-324058)
Why CATO?
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