1000668-15-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1000668-15-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,0,6,6 and 8 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1000668-15:
(9*1)+(8*0)+(7*0)+(6*0)+(5*6)+(4*6)+(3*8)+(2*1)+(1*5)=94
94 % 10 = 4
So 1000668-15-4 is a valid CAS Registry Number.