490016-76-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 490016-76-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,0,0,1 and 6 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 490016-76:
(8*4)+(7*9)+(6*0)+(5*0)+(4*1)+(3*6)+(2*7)+(1*6)=137
137 % 10 = 7
So 490016-76-7 is a valid CAS Registry Number.