5H-Purine-6-carboxamide CAS 37527-29-0
| CAS No. | 37527-29-0 |
| Molecular Formula | C6H5N5O |
| Molecular Weight | 163.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5H-Purine-6-carboxamide 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.
5H-Purine-6-carboxamide (CAS 37527-29-0), molecular formula C6H5N5O and molecular weight 163.14 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5H-Purine-6-carboxamide (C6H5N5O) contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 163.14 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C6H5N5O |
| Molecular Weight | 163.14 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 5 |
Related H Standards
- 1H-Purine-8-carboxylic acid (CAS 28128-23-6)
- 9H-Purine-2-carboxylic acid (CAS 28128-20-3)
- 9H-Purine-2,6,8-triamine (CAS 18802-62-5)
- 1H-Purine-2,6,8(3H)-trione (CAS 67708-21-8)
- 7H-Purine-2,8-diamine (CAS 7314-74-1)
- 9H-Purine, 2,6-difluoro- (CAS 1146697-82-6)
- 9H-purine-6-carboxylic acid (CAS 2365-43-7)
- 9H-purine-6-thiol (CAS 157930-14-8)
Recommended Standards
- 3H-[1,2,3]Triazolo[4,5-b]pyridine-3-carboxamide (CAS 89875-92-3)
- 7-Aminopyrimido[4,5-c]pyridazin-5(1H)-one (CAS 80082-18-4)
- 3-Amino-N-cyanopyrazine-2-carboxamide (CAS 30478-34-3)
- 717848-18-5 5-(Pyrazin-2-yl)-1,3,4-oxadiazol-2-amine DTXSID70649263 (CAS 717848-18-5)
- (5E)-5-(2-Chlorobenzylidene)-2-mercapto-1,3-thiazol-4(5H)-one (CAS 81154-00-9)
- N-[(3-Chlorophenyl)methoxy]cyclohexanimine (CAS 951625-74-4)
- 1-(Tert-butyl) 2-ethyl (2R,3S)-3-methylpyrrolidine-1,2-dicarboxylate (CAS 1048005-88-4)
- N-(2-Butoxyphenyl)-3,4-dimethylbenzamide (CAS 433706-65-1)
- H-DL-Phe-OtBu.HCl (CAS 75898-47-4)
- 6-Bromo-2,3,4,5-tetrahydro-1H-benzo[d]azepine hydrochloride (CAS 1379326-84-7)
- 3-Amino-1-N-Cbz-piperidine (CAS 711002-74-3)
- Methyl [2,3'-bipyridine]-4-carboxylate, 97% (CAS 579476-58-7)
- Ethyl 3-amino-4-(2-chlorophenyl)thiophene-2-carboxylate (CAS 1263210-48-5)
- Insulin Degludec Impurity 18 (CAS CATO-C4X-215718)
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