776-37-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 776-37-4 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,7 and 6 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 776-37:
(5*7)+(4*7)+(3*6)+(2*3)+(1*7)=94
94 % 10 = 4
So 776-37-4 is a valid CAS Registry Number.