5821-06-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5821-06-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,8,2 and 1 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 5821-06:
(6*5)+(5*8)+(4*2)+(3*1)+(2*0)+(1*6)=87
87 % 10 = 7
So 5821-06-7 is a valid CAS Registry Number.