670230-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 670230-68-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,0,2,3 and 0 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 670230-68:
(8*6)+(7*7)+(6*0)+(5*2)+(4*3)+(3*0)+(2*6)+(1*8)=139
139 % 10 = 9
So 670230-68-9 is a valid CAS Registry Number.