111220-28-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111220-28-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,2,2 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 111220-28:
(8*1)+(7*1)+(6*1)+(5*2)+(4*2)+(3*0)+(2*2)+(1*8)=51
51 % 10 = 1
So 111220-28-1 is a valid CAS Registry Number.
111220-28-1Relevant articles and documents
REACTIONS SRN1: PARTIE no 18. ACTION DE SULFANIONS DERIVES DE HS(CH2)nSH VIS-A-VIS DES HALO-1 ET -2 NAPHTALENES
Beugelmans, Rene,Ginsburg, Helene
, p. 413 - 414 (2007/10/02)
A double SRN1 reaction was shown to occur between HS(CH2)nSH and 1 or 2 halonaphtalene to give the corresponding double sulfides Napht1(2)-S-(CH2)n-S-Napht1(2) (n=2,3,4)
