111837-70-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 111837-70-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,8,3 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 111837-70:
(8*1)+(7*1)+(6*1)+(5*8)+(4*3)+(3*7)+(2*7)+(1*0)=108
108 % 10 = 8
So 111837-70-8 is a valid CAS Registry Number.
111837-70-8Relevant articles and documents
SYNTHESIS OF THE THIO ANALOG OF CINNABARIC ACID AND ITS DIMETHYL ESTER
Nekhoroshev, A. A.,Sevbo, D. P.,Ginzburg, O. F.
, p. 585 - 592 (2007/10/02)
The thio analog of cinnabaric acid, i.e., 1,9-dicarboxy-2-amino-3H-oxophenothiazine, was synthesized for the first time.The different reactivities of the initial nitrobenzyloxydiphenyl sulfides were established on the basis of the data from the PMR spectr
