342781-58-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 342781-58-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,7,8 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 342781-58:
(8*3)+(7*4)+(6*2)+(5*7)+(4*8)+(3*1)+(2*5)+(1*8)=152
152 % 10 = 2
So 342781-58-2 is a valid CAS Registry Number.