117968-38-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117968-38-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,9,6 and 8 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 117968-38:
(8*1)+(7*1)+(6*7)+(5*9)+(4*6)+(3*8)+(2*3)+(1*8)=164
164 % 10 = 4
So 117968-38-4 is a valid CAS Registry Number.
117968-38-4Relevant articles and documents
A NEW SYNTHESIS OF THIOFLAVONES
Taylor, A. W.,Dean, D. K.
, p. 1845 - 1848 (1988)
A new synthesis of thioflavones from β-keto sulphoxide (12) is described.