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1256954-40-1

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1256954-40-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1256954-40-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,6,9,5 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1256954-40:
(9*1)+(8*2)+(7*5)+(6*6)+(5*9)+(4*5)+(3*4)+(2*4)+(1*0)=181
181 % 10 = 1
So 1256954-40-1 is a valid CAS Registry Number.

1256954-40-1Downstream Products

1256954-40-1Relevant articles and documents

Pd0-Catalyzed carbonylation of 1,1-dichloro-1-alkenes, a new selective access to Z-α-chloroacrylates

Arthuis, Martin,Lecup, Anne,Roulland, Emmanuel

supporting information; experimental part, p. 7810 - 7812 (2010/11/18)

A novel and fully chemo- and stereoselective three component strategy leading to Z-α-chloroacrylates by a Pd0-catalyzed reaction of CO (1 atm) with 1,1-dichloro-1-alkenes and various alcohols is disclosed. This catalytic approach compares favourably with the Wittig type strategies as α-chloroacrylates of pure Z configuration are obtained in high yield. The Royal Society of Chemistry.

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