1786824-21-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1786824-21-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,7,8,6,8,2 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1786824-21:
(9*1)+(8*7)+(7*8)+(6*6)+(5*8)+(4*2)+(3*4)+(2*2)+(1*1)=222
222 % 10 = 2
So 1786824-21-2 is a valid CAS Registry Number.