56527-28-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56527-28-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,5,2 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 56527-28:
(7*5)+(6*6)+(5*5)+(4*2)+(3*7)+(2*2)+(1*8)=137
137 % 10 = 7
So 56527-28-7 is a valid CAS Registry Number.