84-57-1 Usage
Chemical Properties
light yellow crystals
Check Digit Verification of cas no
The CAS Registry Mumber 84-57-1 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 84-57:
(4*8)+(3*4)+(2*5)+(1*7)=61
61 % 10 = 1
So 84-57-1 is a valid CAS Registry Number.
InChI:InChI=1/C10H8Cl2N2O4S/c1-5-4-8(15)14(13-5)7-3-2-6(11)9(12)10(7)19(16,17)18/h2-4,13H,1H3,(H,16,17,18)