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134329-66-1

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134329-66-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134329-66-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,3,2 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 134329-66:
(8*1)+(7*3)+(6*4)+(5*3)+(4*2)+(3*9)+(2*6)+(1*6)=121
121 % 10 = 1
So 134329-66-1 is a valid CAS Registry Number.

134329-66-1Relevant articles and documents

Synthesis Based on Cyclohexadienes. V. A New Approach to the Synthesis of A-Ring Aromatic Steroids: a Formal Total Synthesis of (+/-)-Estrone

Rao, G. S. R. Subba,Banerjee, D. K.,Devi, L. Uma,Sheriff, Uma

, p. 187 - 203 (2007/10/02)

A new strategy for the construction of A-ring aromatic steroids which resulted in the formal total synthesis of estrone is described.Thus reaction of the adduct (9), obtained from 1-methoxy-4-methylcyclohexa-1,4-diene and acrolein, with 3-(m-methoxyphenyl

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