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138424-19-8

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138424-19-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138424-19-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,4,2 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 138424-19:
(8*1)+(7*3)+(6*8)+(5*4)+(4*2)+(3*4)+(2*1)+(1*9)=128
128 % 10 = 8
So 138424-19-8 is a valid CAS Registry Number.

138424-19-8Downstream Products

138424-19-8Relevant articles and documents

Synthesis of Teleocidins A, B and Their Congeners. Part 2. Synthesis of Lyngbyatoxin A (Teleocidin A-1), Teleocidin A-2, Pendolmycin, and (R,E)- and (S,E)-7-(3,7,11-Trimethyl-1,6,10-dodecatrien-3-yl)-(-)-indolactams V

Muratake, Hideaki,Okabe, Kazuaki,Natsume, Mitsutaka

, p. 8545 - 8558 (2007/10/02)

Details of the synthesis method of the tumor promoters, lyngbyatoxin A (= teleocidin A-1) (1) and teleocidin A-2 (2) from (R)- and (S)-methyl N--N-methyl-L-valinate (3 and 4) are presented.Other titled compounds, 6, 7a, and 7b, were prepared analogously. Key words: alkaloid synthesis; lyngbyatoxin A, teleocidin A-2; pendolmycin; teleocidin analogs.

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