74354-27-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74354-27-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,5 and 4 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74354-27:
(7*7)+(6*4)+(5*3)+(4*5)+(3*4)+(2*2)+(1*7)=131
131 % 10 = 1
So 74354-27-1 is a valid CAS Registry Number.