637324-97-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 637324-97-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,7,3,2 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 637324-97:
(8*6)+(7*3)+(6*7)+(5*3)+(4*2)+(3*4)+(2*9)+(1*7)=171
171 % 10 = 1
So 637324-97-1 is a valid CAS Registry Number.