4-Amino-6-chloro-1-β-D-ribofuranosylimidazo[4,5-c]pyridine CAS 40656-71-1
| CAS No. | 40656-71-1 |
| Molecular Formula | C11H13ClN4O4 |
| Molecular Weight | 300.70 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.
4-Amino-6-chloro-1-β-D-ribofuranosylimidazo[4,5-c]pyridine (CAS 40656-71-1), molecular formula C11H13ClN4O4 and molecular weight 300.70 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H13ClN4O4, 4-Amino-6-chloro-1-β-D-ribofuranosylimidazo[4,5-c]pyridine contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 300.70 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), 4-Amino-6-chloro-1-β-D-ribofuranosylimidazo[4,5-c]pyridine 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 | C11H13ClN4O4 |
| Molecular Weight | 300.70 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Amino Standards
- Ethyl 3-(5-amino-2-chloro-4-fluorophenyl)-4,5-dihydro-5-methyl-5-isoxazolecarboxylate (CAS 1949837-63-1)
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- 4-Amino-N-(3-chloro-2-fluorophenyl)benzenesulfonamide (CAS 1152531-87-7)
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Recommended Standards
- 4-((4-Chlorophenyl)diazenyl)-1-hydroxy-3H-isochromen-3-one (CAS 86671-86-5)
- 4-Chlorophenyl 6-(1H-1,2,4-triazol-1-yl)nicotinate (CAS 400079-27-8)
- 3-(4-Chlorophenyl)-4-oxo-3,4-dihydrophthalazine-1-carboxylic acid (CAS 86662-15-9)
- 5-(3-Chlorophenyl)-3-(4-nitrophenyl)isoxazole (CAS 651021-81-7)
- 2-{[(1E)-3-oxo-3-phenylprop-1-en-1-yl]amino}acetonitrile (CAS 400082-07-7)
- 1-(4-(2-Amino-4-methylthiazol-5-yl)pyridin-2-yl)cyclobutanecarbonitrile (CAS 1163707-57-0)
- (2S)-piperidin-2-ylmethanamine dihydrochloride (CAS 181872-10-6)
- 4-Amino-5-chloro-2-hydroxybenzoic Acid (CAS 21386-95-8)
- 2-(Aminomethyl)-N,N-diethylaniline (CAS 334009-12-0)
- 2-(Aminomethyl)-6-(difluoromethyl)-3-(trifluoromethyl)pyridine-5-sulfonamide (CAS 1361869-44-4)
- (R)-3-Amino-4-(thiophen-3-yl)butanoic acid (CAS 269726-91-2)
- Methyl 2-Aminocyclopentanecarboxylate (CAS 342419-20-9)
- 5-bromo-N-[(1S)-1-phenylethyl]pyridin-2-amine (CAS 1807885-10-4)
- Semaglutide impurity 86 (CAS CATO-C4X-152686)
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