1343658-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1343658-77-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,3,6,5 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1343658-77:
(9*1)+(8*3)+(7*4)+(6*3)+(5*6)+(4*5)+(3*8)+(2*7)+(1*7)=174
174 % 10 = 4
So 1343658-77-4 is a valid CAS Registry Number.