81346-98-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81346-98-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,3,4 and 6 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 81346-98:
(7*8)+(6*1)+(5*3)+(4*4)+(3*6)+(2*9)+(1*8)=137
137 % 10 = 7
So 81346-98-7 is a valid CAS Registry Number.