1039946-66-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1039946-66-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,9,9,4 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1039946-66:
(9*1)+(8*0)+(7*3)+(6*9)+(5*9)+(4*4)+(3*6)+(2*6)+(1*6)=181
181 % 10 = 1
So 1039946-66-1 is a valid CAS Registry Number.