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142747-07-7

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142747-07-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142747-07-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,7,4 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 142747-07:
(8*1)+(7*4)+(6*2)+(5*7)+(4*4)+(3*7)+(2*0)+(1*7)=127
127 % 10 = 7
So 142747-07-7 is a valid CAS Registry Number.

142747-07-7Relevant articles and documents

Structure-Odor Correlation, XVII: Synthesis and Olfactory Properties of Further Theaspirane Analogs

Weyerstahl, Peter,Schneider, Kathleen

, p. 1049 - 1054 (2007/10/02)

Alkylation of ethyl geranate (5) with the brome esters 7 and 8 gave the β,γ-unsaturated esters 10 and 11, which could be isomerized to 13 and 14 by treatment with DBU.The α,β-unsaturated esters 12-14 were cyclized to 15-17, and subsequent reduction of 15-

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