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138008-30-7

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138008-30-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138008-30-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,0,0 and 8 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 138008-30:
(8*1)+(7*3)+(6*8)+(5*0)+(4*0)+(3*8)+(2*3)+(1*0)=107
107 % 10 = 7
So 138008-30-7 is a valid CAS Registry Number.

138008-30-7Relevant articles and documents

Design of New Tools for Macrocyclic Syntheisi. Applications to the Preparation of Polyphosphorus Macrocycles

Gonce, Frederic,Caminade, Anne-Marie,Boutonnet, Florence,Majoral, Jean-Pierre

, p. 970 - 975 (1992)

New diphosphorus m,m' or p,p' dialdehydes 2-7 were prepared by treatment of 1,3-di-tert-butyldiaza-2,4-dichlorodiphosphetidine, 1, with 3- or 4-hydroxybenzaldehyde, and in the case of 4-7 in the presence of S8.These initial compounds when reacted with pho

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