239784-34-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 239784-34-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,9,7,8 and 4 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 239784-34:
(8*2)+(7*3)+(6*9)+(5*7)+(4*8)+(3*4)+(2*3)+(1*4)=180
180 % 10 = 0
So 239784-34-0 is a valid CAS Registry Number.