5,6-Diamino-3-methylpyrimidine-2,4(1H,3H)-dione CAS 40959-24-8
| CAS No. | 40959-24-8 |
| Molecular Formula | C5H8N4O2 |
| Molecular Weight | 156.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5,6-Diamino-3-methylpyrimidine-2,4(1H,3H)-dione (C5H8N4O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 156.14 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.
CATO supplies 5,6-Diamino-3-methylpyrimidine-2,4(1H,3H)-dione (CAS 40959-24-8), a certified reference material (molecular formula C5H8N4O2, MW 156.14 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5,6-Diamino-3-methylpyrimidine-2,4(1H,3H)-dione meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C5H8N4O2 |
| Molecular Weight | 156.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 4 |
Related Diamino Standards
- 1246816-74-9 5,6-Diamino-3-methyluracil-d3 (CAS 1246816-74-9)
- methyl 3,5-diamino-1H-pyrazole-4-carboxylate (CAS 1572-13-0)
- 2-(4,5-Diamino-1H-pyrazol-1-yl)acetic acid (CAS 439902-04-2)
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Recommended Standards
- 5,5-Dimethyl-4-oxo-4,5-dihydrofuran-2-carboxylic acid (CAS 72420-41-8)
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- 5-Amino-2-methyloxazole-4-carbohydrazide (CAS 99419-09-7)
- Sodium phthalate(x:1) (CAS 10197-71-4)
- 1-(2-Bromobenzyl)piperidine-3-carboxylic acid (CAS 896046-49-4)
- Bis-homotris (CAS 116747-79-6)
- 3-Methylpiperidine-3-carboxamide hydrochloride (CAS 1315499-98-9)
- ethyl 3-isocyanatobenzoate (CAS 67531-68-4)
- Methyl 4-((4-methoxybenzyl)oxy)-3-oxobutanoate (CAS 921209-92-9)
- Calcitriol Impurity 12 (CAS CATO-C4X-151012)
- 1206830-76-3 4-Methyl-5-tributylstannylpyridazine KS-000026AZ (CAS 1206830-76-3)
- 3-(2,6-Dichlorophenyl)-5-[(E)-2-[(3,5-dichlorophenyl)amino]ethenyl]-1,2-oxazole-4-carbonitrile (CAS 338402-65-6)
- Liraglutide Impurity 10 TFA Salt (CAS CATO-C4X-199210)
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