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129667-13-6

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129667-13-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129667-13-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,6,6 and 7 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 129667-13:
(8*1)+(7*2)+(6*9)+(5*6)+(4*6)+(3*7)+(2*1)+(1*3)=156
156 % 10 = 6
So 129667-13-6 is a valid CAS Registry Number.

129667-13-6Downstream Products

129667-13-6Relevant articles and documents

PREPARATION OF ALKYL-SUBSTITUTED INDOLES IN THE BENZENE PORTION. Part 3

Muratake, Hideaki,Natsume, Mitsutaka

, p. 683 - 690 (2007/10/02)

Three-step synthesis of 7- and 4-alkyl-1-tosylindoles (9 and 10) was accomplished by combination of the Friedel-Crafts acylation of 4, and the treatment of 7 and 8 with H2SO4 in 2-propanol as illustrated in Chart 2.Further a novel synthetic method of 16 was devised from 14 by way of 15.

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