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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 articles and documents

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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