77372-52-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77372-52-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,7 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 77372-52:
(7*7)+(6*7)+(5*3)+(4*7)+(3*2)+(2*5)+(1*2)=152
152 % 10 = 2
So 77372-52-2 is a valid CAS Registry Number.