19507-46-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19507-46-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,5,0 and 7 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 19507-46:
(7*1)+(6*9)+(5*5)+(4*0)+(3*7)+(2*4)+(1*6)=121
121 % 10 = 1
So 19507-46-1 is a valid CAS Registry Number.