19819-37-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19819-37-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,8,1 and 9 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 19819-37:
(7*1)+(6*9)+(5*8)+(4*1)+(3*9)+(2*3)+(1*7)=145
145 % 10 = 5
So 19819-37-5 is a valid CAS Registry Number.
InChI:InChI=1/C9H11Cl2N3O3/c10-3-5-13(6-4-11)12-7-8-1-2-9(17-8)14(15)16/h1-2,7H,3-6H2/b12-7+