134937-96-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134937-96-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,9,3 and 7 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 134937-96:
(8*1)+(7*3)+(6*4)+(5*9)+(4*3)+(3*7)+(2*9)+(1*6)=155
155 % 10 = 5
So 134937-96-5 is a valid CAS Registry Number.
134937-96-5Relevant articles and documents
A convenient synthesis of 1,t-2,c-dibenzoyl-3-(aroyl)- and (heteroaroyl)cyclopropanes by reaction of arylacyl bromides with trans-1,2-dibenzoylethylene in the K2CO3/DMF system
Saba, Antonio
, p. 55 - 56 (2007/10/02)
Treatment of α-bromo ketones 1 and trans-1,2-dibenzoylethylene with K2CO3 in DMF resulted in a selective cycloaddition affording 1,t-2,c-dibenzoyl-3-(aroyl)- and -(heteroaroyl)cyclopropanes 2
