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CAS 75092-30-7 | 4-IODO-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID

Molecular Formula: C5H5IN2O2
Molecular Weight: 252.01
Purity: 97% Min.
Package: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
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Introduction
4-Iodo-1-Methyl-1h-Pyrazole-5-Carboxylic Acid is a pharceutical intermediate.

Specification of CAS 75092-30-7 | 4-IODO-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID

ITEMS	SPECIFICATION
Melting point	242°C(lit.)
Storage temp.	Keep in dark place,Sealed in dry,2-8°C
Density	2.26 g/cm3
Boiling point	362.2 °C
pka	1.76
CAS DataBase Reference	75092-30-7

Synthesis of CAS 75092-30-7 | 4-IODO-1-METHYL-1H-PYRAZOLE-5-CARBOXYLIC ACID

Conditions

Stage #1: ethyl 4-iodo-1-methyl-1H-pyrazole-5-carboxylic acid With lithium hydroxide monohydrate In tetrahydrofuran; methanol; water at 25℃; for 2h;

Stage #2: With hydrogenchloride In tetrahydrofuran; methanol; water pH=4;

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