74973-56-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74973-56-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,7 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 74973-56:
(7*7)+(6*4)+(5*9)+(4*7)+(3*3)+(2*5)+(1*6)=171
171 % 10 = 1
So 74973-56-1 is a valid CAS Registry Number.
74973-56-1Relevant articles and documents
THE SYNTHESIS OF TRISNORCYBRODOLIDE, A METABOLITE OF CYATHUS BULLERI BRODIE.
Ayer, William A.,McCaskill, Robert H.
, p. 1921 - 1922 (1980)
The synthesis of trisnorcybrodolide (1) from mesitylene is described.