672906-84-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 672906-84-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,2,9,0 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 672906-84:
(8*6)+(7*7)+(6*2)+(5*9)+(4*0)+(3*6)+(2*8)+(1*4)=192
192 % 10 = 2
So 672906-84-2 is a valid CAS Registry Number.