[(2R,3R,4R,5R)-5-(2-amino-6-chloro-purin-9-yl)-3-tert-butoxycarbonyloxy-4-fluoro-4-methyl-tetrahydrofuran-2-yl]methyl tert-butyl carbonate CAS 2761681-01-8
| CAS No. | 2761681-01-8 |
| Molecular Formula | C21H29ClFN5O7 |
| Molecular Weight | 517.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies [(2R,3R,4R,5R)-5-(2-amino-6-chloro-purin-9-yl)-3-tert-butoxycarbonyloxy-4-fluoro-4-methyl-tetrahydrofuran-2-yl]methyl tert-butyl carbonate (CAS 2761681-01-8), a certified reference material (molecular formula C21H29ClFN5O7, MW 517.94 g/mol) for analytical method development and quality control.
Structurally, [(2R,3R,4R,5R)-5-(2-amino-6-chloro-purin-9-yl)-3-tert-butoxycarbonyloxy-4-fluoro-4-methyl-tetrahydrofuran-2-yl]methyl tert-butyl carbonate (C21H29ClFN5O7) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 517.94 g/mol, it falls into the moderately-high-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.
As a certified reference material (CRM), [(2R,3R,4R,5R)-5-(2-amino-6-chloro-purin-9-yl)-3-tert-butoxycarbonyloxy-4-fluoro-4-methyl-tetrahydrofuran-2-yl]methyl tert-butyl carbonate 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 | C21H29ClFN5O7 |
| Molecular Weight | 517.94 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 5 |
Recommended Standards
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- 2-Isobutylpyrimidine-5-carboxylic acid (CAS 1343810-16-1)
- 2-(4-Fluorobenzenesulfinyl)-1-(morpholin-4-yl)ethan-1-one (CAS 339107-09-4)
- 3,4-Dihydro-7-(trifluoromethyl)-2H-1,4-benzoxazine (CAS 347-41-1)
- N-(4-fluorobenzyl)-N-methylmethanesulfonamide (CAS 138468-20-9)
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- 2-(3-Chloro-4-nitrophenyl)acetamide (CAS 885951-52-0)
- Tirzepatide Impurity 59 (CAS CATO-C4X-324059)
Why CATO?
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