936131-18-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 936131-18-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,6,1,3 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 936131-18:
(8*9)+(7*3)+(6*6)+(5*1)+(4*3)+(3*1)+(2*1)+(1*8)=159
159 % 10 = 9
So 936131-18-9 is a valid CAS Registry Number.