19183-26-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19183-26-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,1,8 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 19183-26:
(7*1)+(6*9)+(5*1)+(4*8)+(3*3)+(2*2)+(1*6)=117
117 % 10 = 7
So 19183-26-7 is a valid CAS Registry Number.