3843-41-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3843-41-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,8,4 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3843-41:
(6*3)+(5*8)+(4*4)+(3*3)+(2*4)+(1*1)=92
92 % 10 = 2
So 3843-41-2 is a valid CAS Registry Number.
InChI:InChI=1/C17H14ClN5O4S/c1-20-28(26,27)16-4-2-3-12-11(16)6-7-14(19)17(12)22-21-15-8-5-10(23(24)25)9-13(15)18/h2-9,20H,19H2,1H3/b22-21+