1834-56-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1834-56-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,3 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1834-56:
(6*1)+(5*8)+(4*3)+(3*4)+(2*5)+(1*6)=86
86 % 10 = 6
So 1834-56-6 is a valid CAS Registry Number.