186790-31-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 186790-31-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,6,7,9 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 186790-31:
(8*1)+(7*8)+(6*6)+(5*7)+(4*9)+(3*0)+(2*3)+(1*1)=178
178 % 10 = 8
So 186790-31-8 is a valid CAS Registry Number.