679804-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 679804-38-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,9,8,0 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 679804-38:
(8*6)+(7*7)+(6*9)+(5*8)+(4*0)+(3*4)+(2*3)+(1*8)=217
217 % 10 = 7
So 679804-38-7 is a valid CAS Registry Number.