5,7-dimethyl-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid CAS 1781934-00-6
| CAS No. | 1781934-00-6 |
| Molecular Formula | C8H16N4O2 |
| Molecular Weight | 200.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,7-dimethyl-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid (C8H16N4O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
5,7-dimethyl-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid (CAS 1781934-00-6) is a high-purity analytical reference standard with the molecular formula C8H16N4O2 and a molecular weight of 200.24 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5,7-dimethyl-1H-pyrazolo[4,3-d]pyrimidine-3-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H16N4O2 |
| Molecular Weight | 200.24 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.) | 1994 |
| Nitrogen Atoms | 4 |
Related dimethyl Standards
- 2,4-Dimethyl-6-(1H-pyrazol-1-yl)benzaldehyde (CAS 1015845-86-9)
- 3,5-Dimethyl-2-(1H-pyrazol-1-yl)benzaldehyde (CAS 1015845-87-0)
- 4-(4,5-Dimethyl-1H-imidazol-1-yl)benzaldehyde (CAS 117606-93-6)
- 3,4-Dimethyl-2-(1H-pyrazol-1-yl)benzaldehyde (CAS 1214622-41-9)
- 2-(4,5-Dimethyl-1h-imidazol-1-yl)benzaldehyde (CAS 1247646-97-4)
- 3-(4,5-Dimethyl-1h-imidazol-1-yl)benzaldehyde (CAS 1343030-67-0)
- 7,7-Dimethyl-5-oxo-5,6,7,8-tetrahydroquinoline-3-carbonitrile (CAS 135987-11-0)
- 3-(1,3-Dimethyl-1H-pyrazol-4-yl)benzaldehyde (CAS 1496469-96-5)
Recommended Standards
- 2-Methoxy-6-phenylpyridin-3-amine (CAS 1781038-89-8)
- 3-(3-(Dimethylamino)acryloyl)benzonitrile (CAS 179055-13-1)
- (4-Phenoxyphenyl)hydrazine (CAS 17672-28-5)
- 1-(3-(2-Methyl-1h-imidazol-1-yl)phenyl)ethan-1-one (CAS 180306-50-7)
- 5-Bromo-2-fluoro-4-methoxy-3-methylbenzaldehyde (CAS 2484889-21-4)
- (3-cyclopropyl-1H-1,2,4-triazol-5-yl)methanamine hydrochloride (CAS 1820707-11-6)
- tert-Butyl (1-(3-(aminomethyl)phenyl)pyrrolidin-3-yl)carbamate (CAS 889948-71-4)
- tert-butyl 2-(1-hydroxyethyl)piperidine-1-carboxylate (CAS 1334495-29-2)
- Methyl (Z)-heptadec-10-enoate (CAS 23192-42-9)
- Ethyl 5-amino-1-(3,5-dimethylphenyl)-1h-pyrazole-4-carboxylate (CAS 112960-04-0)
- 4-Methyl-3-(2-methylphenyl)propiophenone (CAS 898789-10-1)
- (4-Bromo-3-methoxyphenyl)methanamine (CAS 1261448-82-1)
- 4-(Thiophen-2-yl)-N-(3-(trifluoromethyl)phenyl)benzamide (CAS 338794-30-2)
- Antiarrhythmic peptide (cattle atrium) (CAS 81771-37-1)
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