4,5-Diamino-6-hydroxypyrimidine hemisulfate CAS 102783-18-6
| CAS No. | 102783-18-6 |
| Molecular Formula | 2*C4H12N4O |
| 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.
CATO supplies 4,5-Diamino-6-hydroxypyrimidine hemisulfate (CAS 102783-18-6), a certified reference material (molecular formula C4H12N4OH2O4S, MW 230.24 g/mol) for analytical method development and quality control.
Structurally, 4,5-Diamino-6-hydroxypyrimidine hemisulfate (C4H12N4OH2O4S) contains a carbohydrate-derived structure, an amide group, a sulfone group. The molecule exhibits a degree of unsaturation (DBE) of 0.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 230.24 g/mol, it falls into the medium-molecular-weight range. 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 | 2*C4H12N4O H2O4S |
| Molecular Weight | 230.24 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1986 |
| 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
- 5-(3-([1,1-Biphenyl]-3-yl)prop-1-yn-1-yl)-6-ethylpyrimidine-2,4-diamine (CAS 1252013-76-5)
- 3-(Aminomethyl)-1-ethylquinolin-2(1H)-one (CAS 940981-15-7)
- 1-(2,2-Dimethyl-propyl)-piperazine, 98% (CAS 57184-50-6)
- 2,6-Dimethyl-1-(1-(phenylthio)cyclopropyl)cyclohex-2-enol (CAS 1956334-14-7)
- 2-((2-((2-Fluorophenyl)amino)-2-oxoethyl)thio)benzoic acid (CAS 385382-63-8)
- rac-(1R,2R,4S)-2-(aminomethyl)-4-(4H-1,2,4-triazol-3-yl)cyclopentan-1-ol dihydrochloride (CAS 2044705-65-7)
- Carprofen EP Impurity A (CAS 252288-17-8)
- Dabigatran Impurity 46 (CAS 1642853-68-6)
- Sodium 3-((2-(pyridin-3-yl)-6-(1,2,4,5-tetrahydro-3H-benzo[d]azepin-3-yl)pyrimidin-4-yl)amino)propanoate (CAS 2108665-15-0)
- Semaglutide impurity 44 (CAS CATO-C4X-222644)
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