Ethyl 4-amino-5-mesityl-1-methyl-1H-pyrazole-3-carboxylate CAS 203870-53-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 203870-53-5 |
| Molecular Formula | C16H21N3O2 |
| Molecular Weight | 287.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 4-amino-5-mesityl-1-methyl-1H-pyrazole-3-carboxylate (CAS 203870-53-5), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H21N3O2. Molecular weight: 287.36 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H21N3O2 |
| Molecular Weight | 287.36 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2015 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- Ethyl 4-(ethylamino)-2,6,8-trimethylquinazoline-7-carboxylate (CAS 89200-74-8)
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- 2-(2-Chloro-5-methoxyphenyl)acetic acid (CAS 91367-10-1)
- 2-[(5-Bromo-2-hydroxyphenyl)methylene]hydrazide Benzenesulfonic Acid (CAS 326886-05-9)
- 2-(Methylsulfonyl)-2,5-diazabicyclo[2.2.2]octane (CAS 1934472-23-7)
- 3-Amino-4-chloro-N-methylbenzenesulfonamide (CAS 41607-87-8)
- (4-Bromo-1H-pyrrolo[2,3-c]pyridin-7-yl)methanimine (CAS 1352395-21-1)
- 7-(3-Aminopyrrolidin-1-yl)-1-cyclopropyl-6,8-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid hydrochloride (CAS 106797-94-8)
- Neuropeptide GE (CAS 134748-04-2)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com