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156050-34-9

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156050-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156050-34-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,0,5 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 156050-34:
(8*1)+(7*5)+(6*6)+(5*0)+(4*5)+(3*0)+(2*3)+(1*4)=109
109 % 10 = 9
So 156050-34-9 is a valid CAS Registry Number.

156050-34-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-<(2-methylprop-2-enyl)sulfonyl>pyridine

1.2 Other means of identification

Product number -
Other names 2-(2-Methyl-prop-2-ene-1-sulfonyl)-pyridine

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:156050-34-9 SDS

156050-34-9Relevant articles and documents

Stereochemistry of direct olefin formation from carbonyl compounds and lithiated heterocyclic sulfones

Baudin, J. B.,Hareau, G.,Julia, S. A.,Lorne, R.,Ruel, O.

, p. 856 - 878 (2007/10/02)

The conditions for the title reaction were studied for the 2-benzothiazole and 2-pyridine series and for some examples in the 2-pyrimidine series.The olefin preparations were generally observed to be more efficient for 2-BT-sulfone systems.From the data of the hundred cases studied, it can be concluded that (E)-olefins are obtained: (i) from saturated BT-sulfones and aromatic aldehydes; and (ii) from benzylic BT-sulfones and branched saturated aldehydes (isobutyraldehyde, pivalaldehyde) or α,β-ethylenic or aromatic aldehydes. (Z)-olefins arise: (i) fom propargylic BT-sulfones and saturated or aromatic aldehydes; and (ii) from allylic or benzylic Pyr-sulfones and saturated aldehydes.Possible mechanisms for this new olefination procedure were examined. - heteroaromatic sulfones, organolithium derivatives, intramolecular ipso reactions, stereochemistry, elimination, olefination.

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