56342-59-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56342-59-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,3,4 and 2 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 56342-59:
(7*5)+(6*6)+(5*3)+(4*4)+(3*2)+(2*5)+(1*9)=127
127 % 10 = 7
So 56342-59-7 is a valid CAS Registry Number.