347909-69-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 347909-69-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,7,9,0 and 9 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 347909-69:
(8*3)+(7*4)+(6*7)+(5*9)+(4*0)+(3*9)+(2*6)+(1*9)=187
187 % 10 = 7
So 347909-69-7 is a valid CAS Registry Number.