N-(2-(((2R,3S,4R,5R)-5-(6-Amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methoxy)ethyl)-2,3-dihydroxy-5-nitrobenzamide CAS 273204-43-6
| CAS No. | 273204-43-6 |
| Molecular Formula | C19H21N7O9 |
| Molecular Weight | 491.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 491.41 g/mol gives N-(2-(((2R,3S,4R,5R)-5-(6-Amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methoxy)ethyl)-2,3-dihydroxy-5-nitrobenzamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-(2-(((2R,3S,4R,5R)-5-(6-Amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methoxy)ethyl)-2,3-dihydroxy-5-nitrobenzamide (CAS 273204-43-6), molecular formula C19H21N7O9 and molecular weight 491.41 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, N-(2-(((2R,3S,4R,5R)-5-(6-Amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methoxy)ethyl)-2,3-dihydroxy-5-nitrobenzamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 491.41 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), N-(2-(((2R,3S,4R,5R)-5-(6-Amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methoxy)ethyl)-2,3-dihydroxy-5-nitrobenzamide 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 | C19H21N7O9 |
| Molecular Weight | 491.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 7 |
Recommended Standards
- Butanedioic acid, 2-methylene-, polymer with ethyl 2-propenoate (CAS 26124-80-1)
- 5-Bromo-N1,N1,N3,N3-tetraphenylbenzene-1,3-diamine (CAS 1290039-73-4)
- (S)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-4-(perfluorophenyl)butanoic acid (CAS 270063-43-9)
- Aciclovir Impurity 34 (CAS CATO-C4X-101034)
- (2R)-3-(((2-Aminoethoxy)(hydroxy)phosphoryl)oxy)propane-1,2-diyl dioleate (CAS 137819-86-4)
- 2-(4-Isobutylphenyl)acetonitrile (CAS 40784-95-0)
- [1,2,4]Triazolo[1,5-c]pyrimidine-5,7-diamine (CAS 144105-17-9)
- Methyl 6-Methoxyindole-4-carboxylate (CAS 1227270-67-8)
- 3-amino-1,5-dimethyl-2,3-dihydro-1H-indol-2-one dihydrochloride (CAS 1311313-86-6)
- (S)-Benzyl 3-isobutylpiperazine-1-carboxylate hydrochloride (CAS 1253790-03-2)
- 1-Ethyl-3-guanidinothiourea hydrochloride (CAS 381670-29-7)
- Teduglutide Met(0)10 Impurity (CAS CATO-C4X-23647)
- 4-Bromo-5-chloro-6-(difluoromethyl)nicotinaldehyde (CAS 1806920-61-5)
- Endo-Gly4-Semaglutide (CAS CATO-C4X-222679)
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