4857-56-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4857-56-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,8,5 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 4857-56:
(6*4)+(5*8)+(4*5)+(3*7)+(2*5)+(1*6)=121
121 % 10 = 1
So 4857-56-1 is a valid CAS Registry Number.
InChI:InChI=1/C16H16ClN3O6S.2Na/c1-3-18-20(19-13-8-10(17)4-7-15(13)26-2)14-6-5-11(27(23,24)25)9-12(14)16(21)22;;/h3-9,18-19H,1H2,2H3,(H,21,22)(H,23,24,25);;/q;2*+1/p-2