1186637-39-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1186637-39-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,6,6,3 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1186637-39:
(9*1)+(8*1)+(7*8)+(6*6)+(5*6)+(4*3)+(3*7)+(2*3)+(1*9)=187
187 % 10 = 7
So 1186637-39-7 is a valid CAS Registry Number.