1-Methyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carboxylic acid CAS 1256643-10-3
| CAS No. | 1256643-10-3 |
| Molecular Formula | C8H11N3O2 |
| Molecular Weight | 181.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 1-Methyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-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.
1-Methyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carboxylic acid (CAS 1256643-10-3) is a high-purity analytical reference standard with the molecular formula C8H11N3O2 and a molecular weight of 181.19 g/mol.
Structurally, 1-Methyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carboxylic acid (C8H11N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 181.19 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H11N3O2 |
| Molecular Weight | 181.19 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, 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
Related Methyl Standards
- Methyl 4,5,6,7-tetrahydro-1h-pyrazolo[4,3-c]pyridine-3-carboxylate (CAS 1172883-27-0)
- 5-Methyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine-3-carboxylic acid (CAS 1177283-79-2)
- 6,7,8,9-Tetrahydro-5h-[1,2,4]triazolo[4,3-a]azepine-3-carboxylic acid (CAS 1177311-87-3)
- 3-Methyl-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyridine-8-carboxylic acid (CAS 1190392-06-3)
- 2-(5,6,7,8-Tetrahydro-[1,2,4]triazolo[4,3-a]pyridin-3-yl)acetic acid (CAS 1259060-80-4)
- 2-(4,5,6,7-Tetrahydro-1H-benzo[d][1,2,3]triazol-1-yl)acetic acid (CAS 1266941-01-8)
- 1-methyl-4,5,6,7-tetrahydro-1H-1,2,3-benzotriazole-6-carboxylic acid (CAS 1496734-87-2)
- 2-Methyl-4,5,6,7-tetrahydro-2H-pyrazolo[4,3-c]pyridine-3-carboxylic acid (CAS 1541381-65-0)
Recommended Standards
- 4-Amino-3-hydroxy-N,N-dimethylpicolinamide (CAS 1255917-92-0)
- Methyl 4-methoxy-6-methylnicotinate (CAS 1256788-25-6)
- Methyl 4-(2-hydroxyethyl)picolinate (CAS 125545-91-7)
- Methyl 2-(6-methoxypyridin-2-yl)acetate (CAS 1256789-69-1)
- (2E)-2-({[(4-methoxyphenyl)methyl]amino}methylidene)-3,4-dihydro-2H-1,4-benzothiazin-3-one (CAS 338416-81-2)
- 3-(1-Methyl-1H-pyrrol-2-yl)-5-(pyrrolidin-3-yl)-1,2,4-oxadiazole hydrochloride (CAS 1638612-57-3)
- 5-Bromo-4,6-dihydroxynicotinic acid (CAS 1216835-16-3)
- 3-(3-Aminopropyl)-5-(1h-indol-3-yl)pyrazin-2-amine (CAS 7256-95-3)
- (4-cyclopropyl-1-methyl-1H-pyrazol-5-yl)methanamine hydrochloride (CAS 1989659-54-2)
- 3-Bromo-4-methyl-5-nitrobenzoic acid (CAS 34545-20-5)
- (6-(2-Hydroxypropan-2-yl)pyridin-2-yl)boronic acid (CAS 1309981-32-5)
- Methyl 4-formamido-3-methoxybenzoate (CAS 700834-18-0)
- N-allyl-2-((2-chlorophenyl)thio)acetamide (CAS 339097-64-2)
- Semaglutide impurity 78 (CAS CATO-C4X-222678)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com