154371-97-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154371-97-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,3,7 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 154371-97:
(8*1)+(7*5)+(6*4)+(5*3)+(4*7)+(3*1)+(2*9)+(1*7)=138
138 % 10 = 8
So 154371-97-8 is a valid CAS Registry Number.