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Check Digit Verification of cas no

The CAS Registry Mumber 139021-47-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,0,2 and 1 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 139021-47:
(8*1)+(7*3)+(6*9)+(5*0)+(4*2)+(3*1)+(2*4)+(1*7)=109
109 % 10 = 9
So 139021-47-9 is a valid CAS Registry Number.

139021-47-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 20, 2017

Revision Date: Aug 20, 2017

1.Identification

1.1 GHS Product identifier

Product name	2-bromo-1-(3,6-dihydro-2H-pyridin-1-yl)prop-2-en-1-one

1.2 Other means of identification

Product number	-
Other names	1-(1'-bromoacroyl)-1,2,5,6-tetrahydropyridine

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).

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139021-47-9Relevant articles and documents

The synthesis of bridged-ring carbo- and hetero-cycles via palladium catalysed regiospecific cyclisation reactions

Grigg,Santhakumar,Sridharan,Stevenson,Teasdale,Thornton-Pett,Worakun

, p. 9703 - 9720 (2007/10/02)

A catalyst system comprising 10 mol % (Pd(OAc)) and 20 mol % PPh3 effects the cyclisation of aryl halides onto proximate alkenes via 5-, 6-, and 7-exo-trig, and 7-endo-trig processes giving a variety of bridged-ring carbo- and hetero-cycles in

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CAS

139021-47-9