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4-Pentenenitrile, 3-hydroxy-3-methyl-, also known as 3-hydroxy-3-methyl-4-pentenenitrile or 3-methyl-3-hydroxy-4-pentenenitrile, is an organic compound with the chemical formula C6H9NO. It is a colorless liquid with a molecular weight of 111.14 g/mol. 4-Pentenenitrile, 3-hydroxy-3-methyl- is characterized by the presence of a nitrile group (C≡N), a hydroxyl group (-OH), and a methyl group (-CH3) attached to a pentene backbone. It is an important intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactive functional groups, it can undergo various chemical reactions, such as addition, substitution, and elimination, making it a versatile building block in organic synthesis.

665-81-6

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665-81-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 665-81-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,6 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 665-81:
(5*6)+(4*6)+(3*5)+(2*8)+(1*1)=86
86 % 10 = 6
So 665-81-6 is a valid CAS Registry Number.

665-81-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-hydroxy-3-methylpent-4-enenitrile

1.2 Other means of identification

Product number -
Other names 1-Cyan-2-hydroxy-2-methylbuten-3

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:665-81-6 SDS

665-81-6Downstream Products

665-81-6Relevant academic research and scientific papers

Ruthenium-catalyzed formation of pyrazoles or 3-hydroxynitriles from propargyl alcohols and hydrazines

Kaufmann, Julia,J?ckel, Elisabeth,Haak, Edgar

, p. 91 - 101 (2019)

Functionalized pyrazoles are generated from secondary propragyl alcohols and hydrazines in a ruthenium-catalyzed cascade process, consisting of redox isomerization, Michael addition, cyclocondensation and dehydrogenation steps. The same bifunctional catalyst mediates the conversion of tertiary propargyl alcohols with hydrazine to 3-hydroxynitriles via anti-Markovnikov hydroamination followed by elimination of ammonia.

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