1186331-90-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1186331-90-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,6,3,3 and 1 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1186331-90:
(9*1)+(8*1)+(7*8)+(6*6)+(5*3)+(4*3)+(3*1)+(2*9)+(1*0)=157
157 % 10 = 7
So 1186331-90-7 is a valid CAS Registry Number.