347841-04-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 347841-04-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,7,8,4 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 347841-04:
(8*3)+(7*4)+(6*7)+(5*8)+(4*4)+(3*1)+(2*0)+(1*4)=157
157 % 10 = 7
So 347841-04-7 is a valid CAS Registry Number.