2,5-Diamino-3-methyl-6-(phenylamino)pyrimidin-4(3H)-one CAS 61693-33-2
| CAS No. | 61693-33-2 |
| Molecular Formula | C11H13N5O |
| Molecular Weight | 231.25 g/mol |
| 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.
2,5-Diamino-3-methyl-6-(phenylamino)pyrimidin-4(3H)-one (CAS 61693-33-2) is a high-purity analytical reference standard with the molecular formula C11H13N5O and a molecular weight of 231.25 g/mol.
Structurally, 2,5-Diamino-3-methyl-6-(phenylamino)pyrimidin-4(3H)-one (C11H13N5O) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 231.25 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H13N5O |
| Molecular Weight | 231.25 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 5 |
Related Diamino Standards
- 2,6-Diamino-5-(benzylamino)pyrimidin-4(3H)-one (CAS 25468-62-6)
- 3,4-diamino-6-(2-phenylethyl)-1,2,4-triazin-5(4H)-one (CAS 789471-70-1)
- 5,6-Diamino-2-(benzylamino)pyrimidin-4(1H)-one (CAS 61693-27-4)
- 5,6-Diamino-4-(benzylimino)-3,4-dihydropyrimidin-2(1H)-one (CAS 63722-86-1)
- N-(4,6-Diamino-1,3,5-triazin-2-yl)nicotinamide (CAS 65052-42-8)
- 3,4-Diamino-5-bromobenzoic acid (CAS 1329119-36-9)
- 3,6-DIAMINO-5-BROMOPYRIDINE-2-CARBOXAMIDE (CAS 267243-47-0)
- Methyl 3,4-Diamino-5-chloro-2-methoxybenzoate (CAS 130091-84-8)
Recommended Standards
- 2,4,7-Trichloro-5-nitro-9H-fluorene (CAS 91821-44-2)
- 2-(Quinazolin-4-ylamino)butanoic acid (CAS 55040-13-6)
- 2-{3-cyclopropyl-5-methyl-1h-pyrazolo[3,4-b]pyridin-1-yl}acetic acid (CAS 937605-70-4)
- 2-(Methoxymethyl)-4-methylquinoline-3-carboxylic acid (CAS 929974-49-2)
- 2-Chloro-N-(3-phenyl-1,2,4-thiadiazol-5-yl)acetamide (CAS 25962-68-9)
- (S)-4-((2S,3S)-2-Amino-3-methylpentanamido)-5-((2S,3R)-2-(((benzyloxy)carbonyl)((S)-1-carboxy-4-fluoro-3-oxobutan-2-yl)amino)-3-hydroxybutanamido)-5-oxopentanoic acid (CAS 220760-26-9)
- (S)-5-((1H-Indol-3-yl)methyl)-2-aminooxazol-4(5H)-one (CAS 65954-89-4)
- 4-Phenylcinnamic acid (CAS 13026-23-8)
- 2-(2-([1,1'-Biphenyl]-4-yl)oxazolidin-3-yl)ethanol (CAS 874198-35-3)
- 2,2-Difluoro-2-(3-methoxyphenyl)ethan-1-ol (CAS 1780679-13-1)
- tert-butyl (2S,4R)-2-(hydroxymethyl)-4-(p-tolylsulfonyloxy)pyrrolidine-1-carboxylate (CAS 385440-93-7)
- 7-(3,4,5-Trimethoxyphenyl)-7-oxoheptanoic acid (CAS 951891-88-6)
- ethyl 3-bromoimidazo[1,5-a]pyrimidine-6-carboxylate (CAS 1795534-02-9)
- Thymopoietin II Peptide Fragment (CAS 56795-64-3)
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