5-amino-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid CAS 1513232-64-8
| CAS No. | 1513232-64-8 |
| Molecular Formula | C6H13N5O2 |
| Molecular Weight | 187.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-amino-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid (C6H13N5O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 187.20 g/mol, it falls into the medium-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.
CATO supplies 5-amino-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid (CAS 1513232-64-8), a certified reference material (molecular formula C6H13N5O2, MW 187.20 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C6H13N5O2 |
| Molecular Weight | 187.20 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 5 |
Related amino Standards
- 3-(2-Amino-1H-benzo[d]imidazol-1-yl)acrylaldehyde (CAS 107113-21-3)
- 4-(5-Amino-2-pyrimidyl)phenol (CAS 1094311-62-2)
- 2-Amino-4-(dimethylamino)-1,3-butadiene-1,1,3-tricarbonitrile (CAS 112556-64-6)
- 2-Amino-5,7-dimethylpyrazolo[1,5-a]pyrimidine-3-carbonitrile (CAS 112590-47-3)
- 2-Amino-5-(o-tolyl)-4H-imidazol-4-one (CAS 112941-22-7)
- 5-Amino-2,3-dimethyl-3H-imidazo[4,5-b]pyridine-6-carbonitrile (CAS 124032-68-4)
- 5-Amino-2-phenylpyridazin-3(2H)-one (CAS 13589-77-0)
- 7-amino-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid (CAS 13877-58-2)
Recommended Standards
- 1-[2-(1H-1,2,3-triazol-1-yl)phenyl]ethan-1-one (CAS 1505943-22-5)
- 1-[3-(4H-1,2,4-triazol-4-yl)phenyl]ethan-1-one (CAS 1515012-63-1)
- 4-(Imidazo[1,2-a]pyridin-2-yl)azetidin-2-one (CAS 1494229-83-2)
- 5-methyl-6-(1H-pyrazol-1-yl)pyridine-3-carbaldehyde (CAS 1534458-55-3)
- Methyl 3-[(3-fluorophenyl)amino]propanoate (CAS 1094637-42-9)
- 5-(Aminomethyl)-1-methyl-1H-pyrrole-2-carbonitrile (CAS 203792-37-4)
- 3-Bromo-5-ethoxy-4-methoxybenzaldehyde (CAS 81805-97-2)
- 8-Hydroxy-Efavirenz D4 (CAS 1217771-47-5)
- 3-Methyl-6-(trifluoromethyl)-1H-pyrazolo[4,3-c]pyridine (CAS 340809-54-3)
- Ethyl 3-aminocyclohexane-1-carboxylate hydrochloride (CAS 1993243-50-7)
- 2-(1H-imidazol-1-yl)pyridine-4-carboxylic acid hydrochloride (CAS 1193389-34-2)
- 6H-Thieno[2,3-b]pyrrole (CAS 250-79-3)
- 1-(Bromomethyl)-2-(difluoromethoxy)cyclohexane (CAS 2306262-71-3)
- Peptide 6A (H-6905.0005) (CAS 73549-32-3)
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