1630022-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1630022-99-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,0,0,2 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1630022-99:
(9*1)+(8*6)+(7*3)+(6*0)+(5*0)+(4*2)+(3*2)+(2*9)+(1*9)=119
119 % 10 = 9
So 1630022-99-9 is a valid CAS Registry Number.