51621-38-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51621-38-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,6,2 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 51621-38:
(7*5)+(6*1)+(5*6)+(4*2)+(3*1)+(2*3)+(1*8)=96
96 % 10 = 6
So 51621-38-6 is a valid CAS Registry Number.