190266-54-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 190266-54-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,2,6 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 190266-54:
(8*1)+(7*9)+(6*0)+(5*2)+(4*6)+(3*6)+(2*5)+(1*4)=137
137 % 10 = 7
So 190266-54-7 is a valid CAS Registry Number.