88518-71-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 88518-71-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,5,1 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 88518-71:
(7*8)+(6*8)+(5*5)+(4*1)+(3*8)+(2*7)+(1*1)=172
172 % 10 = 2
So 88518-71-2 is a valid CAS Registry Number.
88518-71-2Relevant articles and documents
Cyclization of 3-Acylmethylthio-4-cyano-isothiazole-5-thiones
Gewald, Karl,Roellig, Hans
, p. 999 - 1004 (1983)
The title compounds 2 cyclize on mild conditions to the intermediate 7-cyano-thiazoloisothiazole-6-thiones 3 which are converted immediately into the 1,2,4-trithiolane-3,5-diylidene-(thiazole-2-yl)-acetonitriles 4 accompanied by extrusion of sulphu