21760-06-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21760-06-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,7,6 and 0 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 21760-06:
(7*2)+(6*1)+(5*7)+(4*6)+(3*0)+(2*0)+(1*6)=85
85 % 10 = 5
So 21760-06-5 is a valid CAS Registry Number.