5,6-diamino-4(3H)-Pyrimidinone,, sulfate (1:1) CAS 52502-66-6
| CAS No. | 52502-66-6 |
| Molecular Formula | C4H6N4O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
5,6-diamino-4(3H)-Pyrimidinone,, sulfate (1:1) (CAS 52502-66-6), molecular formula C4H6N4OH2O4S and molecular weight 224.19 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 5,6-diamino-4(3H)-Pyrimidinone,, sulfate (1:1) (C4H6N4OH2O4S) is characterized by a carbohydrate-derived structure, an amide group, a sulfone group. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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.
Physical & Chemical Properties
| Molecular Formula | C4H6N4O H2O4S |
| Molecular Weight | 224.19 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.) | 1972 |
| Nitrogen Atoms | 4 |
| 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)
- 5,6-Diamino-3,3-dimethylindolin-2-one (CAS 100568-79-4)
- 5-((2,6-Diamino-9H-purin-9-yl)methoxy)-2-hydroxy-1,3,2-dioxaphosphinane 2-oxide (CAS 100683-67-8)
- 2,8-Diamino-9-benzyl-1H-purin-6(9H)-one (CAS 100890-94-6)
- 4-(N-[2,4-Diamino-6-pteridinylmethyl]amino)benzoic acid sodium salt (CAS 100929-45-1)
Recommended Standards
- 1-(4-methoxyphenyl)cyclohexan-1-amine (CAS 125802-09-7)
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- 1-(3-Chloro-2-pyridinyl)piperazine (CAS 87394-55-6)
- 5-(Benzenesulfonyl)-2-phenyl-4-(piperidin-1-yl)pyrimidine (CAS 339106-33-1)
- N,N-dimethyl-2-oxoindoline-6-carboxamide (CAS 1603381-57-2)
- 3-(Difluoromethyl)-2-methylbenzoic acid (CAS 848444-82-6)
- N-(Azido-PEG2)-N-bis(PEG4-Boc) (CAS 2112731-81-2)
- Methyl 2-(1H-1,2,4-triazol-5-yl)benzoate (CAS 118863-64-2)
- 4-Amino-6-(cyanomethyl)-2-(difluoromethyl)nicotinonitrile (CAS 1805212-08-1)
- Liraglutide (CAS 204656-20-2)
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