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142503-38-6

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142503-38-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142503-38-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,5,0 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 142503-38:
(8*1)+(7*4)+(6*2)+(5*5)+(4*0)+(3*3)+(2*3)+(1*8)=96
96 % 10 = 6
So 142503-38-6 is a valid CAS Registry Number.

142503-38-6Downstream Products

142503-38-6Relevant articles and documents

Facile and convenient synthetic methods for bis(trifluoroacetyl)ketene N,O-, N,S- and S,S-acetals and 2,2-bis(trifluoroacetyl)vinylamines and sulfides

Hojo,Masuda,Okada,Mochizuki

, p. 455 - 457 (1992)

Trifluoroacetylation of (trifluoroacetyl)ketene N,O-, N,S- and S,S-acetals [4-dialkylamino-4-ethoxy(methylthio)-1,1,1-trifluoro-3-buten-2-one and 4,4-bis(methylthio)-1,1,1-trifluoro-3-buten-2-one] gives the corresponding 1,1,1-trifluoro-3-(trifluoroacetyl

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