426219-46-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 426219-46-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,6,2,1 and 9 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 426219-46:
(8*4)+(7*2)+(6*6)+(5*2)+(4*1)+(3*9)+(2*4)+(1*6)=137
137 % 10 = 7
So 426219-46-7 is a valid CAS Registry Number.