1555699-97-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1555699-97-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,5,5,6,9 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1555699-97:
(9*1)+(8*5)+(7*5)+(6*5)+(5*6)+(4*9)+(3*9)+(2*9)+(1*7)=232
232 % 10 = 2
So 1555699-97-2 is a valid CAS Registry Number.