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Merck
CN

M9888

Fomepizole

Synonym(s):

4-Methylpyrazole

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About This Item

Empirical Formula (Hill Notation):
C4H6N2
CAS Number:
Molecular Weight:
82.10
EC Number:
231-445-0
UNSPSC Code:
12352204
MDL number:
Beilstein/REAXYS Number:
105204
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refractive index

n20/D 1.495 (lit.)

bp

99-100 °C/6 mmHg (lit.)

density

0.993 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

Cc1cn[nH]c1

InChI

1S/C4H6N2/c1-4-2-5-6-3-4/h2-3H,1H3,(H,5,6)

InChI key

RIKMMFOAQPJVMX-UHFFFAOYSA-N

Gene Information

Application

Useful as an antidote in methanol and ethylene glycol poisoning.

Biochem/physiol Actions

Alcohol dehydrogenase inhibitor

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

204.8 °F - closed cup

flash_point_c

96 °C - closed cup

Regulatory Information

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Zhichao Liu et al.
PLoS computational biology, 7(12), e1002310-e1002310 (2011-12-24)
Drug-induced liver injury (DILI) is a significant concern in drug development due to the poor concordance between preclinical and clinical findings of liver toxicity. We hypothesized that the DILI types (hepatotoxic side effects) seen in the clinic can be translated
Denis Fourches et al.
Chemical research in toxicology, 23(1), 171-183 (2009-12-18)
Drug-induced liver injury is one of the main causes of drug attrition. The ability to predict the liver effects of drug candidates from their chemical structures is critical to help guide experimental drug discovery projects toward safer medicines. In this

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