(2R,3R,4S,5R)-2-(6-Amino-2-ethynyl-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol CAS 99044-57-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 99044-57-2 |
| Molecular Formula | C12H13N5O4 |
| Molecular Weight | 291.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2R,3R,4S,5R)-2-(6-Amino-2-ethynyl-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 99044-57-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H13N5O4. Molecular weight: 291.26 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H13N5O4 |
| Molecular Weight | 291.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 5 |
Recommended Standards
- (2R,3R,4R,5R)-2-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-carbonitrile (CAS 2324118-50-3)
- (2S,3R,4R,5R)-2-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-carbonitrile (CAS 2324118-49-0)
- (2-(7-Methoxy-2-oxo-2H-chromen-4-yl)acetyl)glycine (CAS 220184-28-1)
- 4-[2-(4-Nitrophenyl)hydrazino]-4-oxobutanoic acid (CAS 83993-30-0)
- 1-Chloro-3-ethynyl-5-methoxybenzene (CAS 556112-23-3)
- 2-((1S,3r)-3-hydroxycyclobutyl)acetonitrile (CAS 2091611-11-7)
- (S)-1-(3-Fluorophenyl)-N-methylethanamine (CAS 1212261-04-5)
- 3-Chloro-2-methyl-N-(1-methylpiperidin-3-yl)pyrazolo[1,5-a]quinazolin-5-amine (CAS 1210214-66-6)
- 2-(1-(Tert-butoxycarbonyl)pyrrolidin-3-yl)-2,2-difluoroacetic acid (CAS 1784795-35-2)
- Ac, Gastrin Releasing Peptide (20-27), porcine (CAS 77714-20-6)
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