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1242139-09-8

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1242139-09-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1242139-09-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,1,3 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1242139-09:
(9*1)+(8*2)+(7*4)+(6*2)+(5*1)+(4*3)+(3*9)+(2*0)+(1*9)=118
118 % 10 = 8
So 1242139-09-8 is a valid CAS Registry Number.

1242139-09-8Downstream Products

1242139-09-8Relevant articles and documents

An improved protocol for palladium-catalyzed alkoxycarbonylations of aryl chlorides with alkyl formates

Schareina, Thomas,Zapf, Alexander,Cotte, Alain,Gotta, Matthias,Beller, Matthias

experimental part, p. 1205 - 1209 (2010/07/04)

The palladium-catalyzed alkoxycarbonylation of aryl and heteroaryl halides using butyl formate has been investigated. In the presence of palladium (II) acetate/n-butylbis(1-adamantyl)phosphine (L1), and l,8-diazabicyclo[5.4.0]undec- 7-ene (DBU) as base fo

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