135617-97-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135617-97-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,6,1 and 7 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 135617-97:
(8*1)+(7*3)+(6*5)+(5*6)+(4*1)+(3*7)+(2*9)+(1*7)=139
139 % 10 = 9
So 135617-97-9 is a valid CAS Registry Number.