1040690-85-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1040690-85-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,4,0,6,9 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1040690-85:
(9*1)+(8*0)+(7*4)+(6*0)+(5*6)+(4*9)+(3*0)+(2*8)+(1*5)=124
124 % 10 = 4
So 1040690-85-4 is a valid CAS Registry Number.