1674389-82-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1674389-82-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,7,4,3,8 and 9 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1674389-82:
(9*1)+(8*6)+(7*7)+(6*4)+(5*3)+(4*8)+(3*9)+(2*8)+(1*2)=222
222 % 10 = 2
So 1674389-82-2 is a valid CAS Registry Number.