1627-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1627-75-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,2 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1627-75:
(6*1)+(5*6)+(4*2)+(3*7)+(2*7)+(1*5)=84
84 % 10 = 4
So 1627-75-4 is a valid CAS Registry Number.