1000990-16-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1000990-16-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,0,9,9 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1000990-16:
(9*1)+(8*0)+(7*0)+(6*0)+(5*9)+(4*9)+(3*0)+(2*1)+(1*6)=98
98 % 10 = 8
So 1000990-16-8 is a valid CAS Registry Number.