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83163-84-2

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83163-84-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83163-84-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,1,6 and 3 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 83163-84:
(7*8)+(6*3)+(5*1)+(4*6)+(3*3)+(2*8)+(1*4)=132
132 % 10 = 2
So 83163-84-2 is a valid CAS Registry Number.

83163-84-2Downstream Products

83163-84-2Relevant articles and documents

TOTAL SYNTHESIS OF MAYTANSINOIDS. APPROACH TO 4,6-BISDEMETHYLMAYTANSINE AND 4-DEMETHYLMAYTANSINE

Benechie, Michel,Delpech, Bernard,Khuong-Huu, Qui,Khuong-Huu, Francoise

, p. 1895 - 1910 (2007/10/02)

A convergent strategy was elaborated to synthesize maytansine 1 and maytansinoids modified on the carbon skeleton, especially 4-demethylmaytansine 2, 6-demethylmaytansine 3, 4,6-bisdemethylmaytansine 4.In this paper, the feasibility of the project was verified by the preparation of key intermediates for the synthesis of 4,6-bisdemethylmaytansine and 6-demethylmaytansine.The C-1-N open chain compound 18 in the 4,6-bisdemethyl series was obtained.

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