347841-13-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 347841-13-8 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, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 347841-13:
(8*3)+(7*4)+(6*7)+(5*8)+(4*4)+(3*1)+(2*1)+(1*3)=158
158 % 10 = 8
So 347841-13-8 is a valid CAS Registry Number.