7-methoxy-5-methyl-1H-pyrazolo[4,3-d]pyrimidine CAS 1556123-68-2
| CAS No. | 1556123-68-2 |
| Molecular Formula | C7H8N4O |
| Molecular Weight | 164.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-methoxy-5-methyl-1H-pyrazolo[4,3-d]pyrimidine (CAS 1556123-68-2) is a high-purity analytical reference standard with the molecular formula C7H8N4O and a molecular weight of 164.16 g/mol.
Based on its molecular formula C7H8N4O, 7-methoxy-5-methyl-1H-pyrazolo[4,3-d]pyrimidine contains an amide group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 164.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 7-methoxy-5-methyl-1H-pyrazolo[4,3-d]pyrimidine 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 | C7H8N4O |
| Molecular Weight | 164.16 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Nitrogen Atoms | 4 |
Related methoxy Standards
- 6-Methoxy-1H-pyrrolo[3,2-c]pyridin-2(3H)-one (CAS 1000342-83-5)
- 4-Methoxy-1H-pyrrolo[3,2-c]pyridin-2(3H)-one (CAS 1000342-85-7)
- 4-Methoxy-1H-indazol-3-ol (CAS 1000342-89-1)
- 2-Methoxy-7H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 100383-13-9)
- 2-Methoxy-6-methyl-9H-purine (CAS 101861-33-0)
- 6-Methoxy-2,3-dihydro-1H-pyrrolo[3,4-c]pyridin-1-one (CAS 1023300-26-6)
- 8-Methoxy-3-methyl-[1,2,4]triazolo[4,3-c]pyrimidine (CAS 106921-51-1)
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Recommended Standards
- 4-(Aminomethyl)benzo[d]oxazol-2-ol (CAS 1555811-05-6)
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- 7-Methoxybenzo[d]oxazol-2-amine (CAS 1554147-50-0)
- rel-(2R,3S)-3-Phenyloxirane-2-carboxylic acid (CAS 1566-68-3)
- 3-(Aminomethyl)-3-methoxypentane (CAS 145550-57-8)
- 2-(2-Chloropyridin-4-yl)-4-methylthiazole (CAS 1431729-16-6)
- (3-Phenoxyphenyl)methanethiol (CAS 64930-95-6)
- Methyl 3-oxo-2,5,6,7-tetrahydro-3H-pyrrolo-[2,1-c][1,2,4]triazole-5-carboxylate (CAS 1934243-45-4)
- 3-Chloro-1-cyclopropyl-pyrazole (CAS 1783435-57-3)
- 4-Bromo-1-(2-chlorobenzyl)-1,2-dihydro-3h-pyrazol-3-imine (CAS 925147-38-2)
- 3-Chloro-4-(2,6-dimethoxyphenyl)cinnoline (CAS 1956386-65-4)
- 1-Phenyl-2-[3-(trifluoromethyl)anilino]-1-ethanone (CAS 952182-66-0)
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Why CATO?
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