1185993-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1185993-85-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,5,9,9 and 3 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1185993-85:
(9*1)+(8*1)+(7*8)+(6*5)+(5*9)+(4*9)+(3*3)+(2*8)+(1*5)=214
214 % 10 = 4
So 1185993-85-4 is a valid CAS Registry Number.