56216-12-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56216-12-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,2,1 and 6 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 56216-12:
(7*5)+(6*6)+(5*2)+(4*1)+(3*6)+(2*1)+(1*2)=107
107 % 10 = 7
So 56216-12-7 is a valid CAS Registry Number.