(6-(Ethylthio)-9H-purin-9-yl)methanol CAS 14133-07-4
| CAS No. | 14133-07-4 |
| Molecular Formula | C5H6BrN3O2 |
| Molecular Weight | 220.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(6-(Ethylthio)-9H-purin-9-yl)methanol (CAS 14133-07-4), molecular formula C5H6BrN3O2 and molecular weight 220.02 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (6-(Ethylthio)-9H-purin-9-yl)methanol (C5H6BrN3O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 220.02 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), (6-(Ethylthio)-9H-purin-9-yl)methanol 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 | C5H6BrN3O2 |
| Molecular Weight | 220.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
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- 1-(Ethylthio)-2-propyl-2H-isoindole (CAS 61214-22-0)
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Recommended Standards
- 4-Bromo-1-ethyl-1H-1,2,3-triazole-5-carboxylic acid (CAS 1391631-22-3)
- Methyl 5-Bromo-1-methyl-1H-1,2,3-triazole-4-carboxylate (CAS 1427475-30-6)
- Methyl 5-Bromo-2-Methyl-2H-1,2,3-triazole-4-carboxylate (CAS 1372711-70-0)
- 4-Bromo-1-ethyl-5-nitro-1H-pyrazole (CAS 1439820-86-6)
- 2-(2-Methoxy-5-methylphenyl)-1H-indole-3-carbaldehyde (CAS 590391-05-2)
- 2-Chloro-N-(5-nitropyridin-2-yl)acetamide (CAS 551911-95-6)
- 7-(Trifluoromethyl)-2,3-dihydroquinazolin-4(1H)-one (CAS 2044704-73-4)
- (4-Methylpent-3-en-1-yl)diphenylphosphine oxide (CAS 86105-38-6)
- 3-(3-Chloro-1H-1,2,4-triazol-5-yl)propan-1-ol hydrochloride (CAS 1279219-22-5)
- 3-(4-(Trifluoromethyl)phenyl)bicyclo[1.1.0]butane-1-carboxylic acid (CAS 2089650-74-6)
- Salbutamol Sulfate EP Impurity L HCl (CAS 898542-81-9（free base）)
- 2,5-Dibromo-n-(1-methyl-1h-pyrazol-3-yl)benzenesulfonamide (CAS 876874-30-5)
- JNJ-1661010 (CAS 681136-29-8)
- Tirzepatide Impurity 14 (CAS CATO-C4X-324014)
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