57381-28-9 Usage
Uses
An anti-ulcer drug. Potent PDE4 inhibitor
Check Digit Verification of cas no
The CAS Registry Mumber 57381-28-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,3,8 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 57381-28:
(7*5)+(6*7)+(5*3)+(4*8)+(3*1)+(2*2)+(1*8)=139
139 % 10 = 9
So 57381-28-9 is a valid CAS Registry Number.
InChI:InChI=1/C9H7Cl2N5.C4H4O4/c10-4-1-2-6(11)5(3-4)7-14-8(12)16-9(13)15-7;5-3(6)1-2-4(7)8/h1-3H,(H4,12,13,14,15,16);1-2H,(H,5,6)(H,7,8)/b;2-1-