129345-78-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129345-78-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,3,4 and 5 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 129345-78:
(8*1)+(7*2)+(6*9)+(5*3)+(4*4)+(3*5)+(2*7)+(1*8)=144
144 % 10 = 4
So 129345-78-4 is a valid CAS Registry Number.
129345-78-4Relevant articles and documents
Synthesis and properties of thiocarbamoylmethylpyridinium (isoquinolinium) ylids
Berseneva,Bakulev,Mokrushin,Lebedev
, p. 1364 - 1368 (2007/10/02)
2-(2-Carbethoxy-1-amino-1-thio)ethylenepyradinium(isoqunolinium) ylids were obtained by the reaction of carbethoxycyanomethylpyridinium(isoquinolinium) ylids with hydrogen sulfide. In an alkaline medium they cyclize into 5-mercaptosubstituted imidazo[1,2-