136155-12-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 136155-12-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,1,5 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 136155-12:
(8*1)+(7*3)+(6*6)+(5*1)+(4*5)+(3*5)+(2*1)+(1*2)=109
109 % 10 = 9
So 136155-12-9 is a valid CAS Registry Number.