290822-88-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 290822-88-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,0,8,2 and 2 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 290822-88:
(8*2)+(7*9)+(6*0)+(5*8)+(4*2)+(3*2)+(2*8)+(1*8)=157
157 % 10 = 7
So 290822-88-7 is a valid CAS Registry Number.