1762-11-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1762-11-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,6 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1762-11:
(6*1)+(5*7)+(4*6)+(3*2)+(2*1)+(1*1)=74
74 % 10 = 4
So 1762-11-4 is a valid CAS Registry Number.