17837-54-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17837-54-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,3 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 17837-54:
(7*1)+(6*7)+(5*8)+(4*3)+(3*7)+(2*5)+(1*4)=136
136 % 10 = 6
So 17837-54-6 is a valid CAS Registry Number.