5-Ethynylpyrimidine-2,4-diamine CAS 1392129-78-0
| CAS No. | 1392129-78-0 |
| Molecular Formula | C6H6N4 |
| Molecular Weight | 134.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Ethynylpyrimidine-2,4-diamine (CAS 1392129-78-0), molecular formula C6H6N4 and molecular weight 134.14 g/mol, is a CATO reference standard with documented purity and traceability.
5-Ethynylpyrimidine-2,4-diamine (C6H6N4) contains a nitrile group, an aromatic ring system. Its physicochemical properties are representative of its class; 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 5-Ethynylpyrimidine-2,4-diamine 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 | C6H6N4 |
| Molecular Weight | 134.14 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 4 |
Related Ethynylpyrimidine Standards
- 2-Ethynylpyrimidine-5-carbaldehyde (CAS 1196157-01-3)
- 5-Ethynylpyrimidine-2-carboxylic acid (CAS 1240606-56-7)
- 5-Ethynylpyrimidine-4-carboxylic acid (CAS 1850421-85-0)
- 2-Ethynylpyrimidine (CAS 37972-24-0)
- Methyl 5-ethynylpyrimidine-2-carboxylate (CAS 1196153-35-1)
- 4-Ethynylpyrimidine (CAS 1196146-58-3)
- 5-Ethynylpyrimidine (CAS 153286-94-3)
- methyl 2-ethynylpyrimidine-5-carboxylate (CAS 1196146-17-4)
Recommended Standards
- 2-Formyl-4-methyl-1H-pyrrole-3-carbonitrile (CAS 1380521-11-8)
- 7-Amino-[1,2,4]triazolo[1,5-a]pyridine (CAS 1396312-30-3)
- 7-Amino-[1,2,4]triazolo[4,3-a]pyridine (CAS 1379186-04-5)
- 1H-Pyrrolo[3,2-c]pyridin-4(3aH)-one (CAS 142078-42-0)
- Methyl 4-(tert-butoxy)-3-iodobenzoate (CAS 1131614-45-3)
- 7-(Diethylamino)-3-(hydroxymethyl)-4-methyl-2H-chromen-2-one (CAS 127321-51-1)
- (Prop-2-en-1-yl)[(2,3,4-trimethoxyphenyl)methyl]amine hydrochloride (CAS 1158320-84-3)
- 4-(4,4,5,5-Tetramethyl-[1,3,2]dioxaborolan-2-yl)-1-(4,4,4-trifluorobutyl)-1H-pyrazole (CAS 1940180-94-8)
- N-(3-ethoxybenzyl)-4-fluoroaniline (CAS 801242-06-8)
- 1-[(Benzyloxy)carbonyl]-4-fluoropyrrolidine-2-carboxylic acid (CAS 54769-90-3)
- Methyl 3-(4-{[(4-bromophenyl)sulfonyl]oxy}phenyl)acrylate (CAS 331461-47-3)
- Febuxostat Impurity 83 (CAS CATO-C4X-116283)
- N-(2-chloro-4-fluorophenyl)-2-((3-methyl-4-oxo-7-(p-tolyl)-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1040649-35-1)
- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com