19999-37-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19999-37-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,9 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19999-37:
(7*1)+(6*9)+(5*9)+(4*9)+(3*9)+(2*3)+(1*7)=182
182 % 10 = 2
So 19999-37-2 is a valid CAS Registry Number.