163135-97-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 163135-97-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,1,3 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 163135-97:
(8*1)+(7*6)+(6*3)+(5*1)+(4*3)+(3*5)+(2*9)+(1*7)=125
125 % 10 = 5
So 163135-97-5 is a valid CAS Registry Number.