141781-34-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 141781-34-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,7,8 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 141781-34:
(8*1)+(7*4)+(6*1)+(5*7)+(4*8)+(3*1)+(2*3)+(1*4)=122
122 % 10 = 2
So 141781-34-2 is a valid CAS Registry Number.