178809-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178809-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,8,0 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 178809-93:
(8*1)+(7*7)+(6*8)+(5*8)+(4*0)+(3*9)+(2*9)+(1*3)=193
193 % 10 = 3
So 178809-93-3 is a valid CAS Registry Number.
178809-93-3Relevant academic research and scientific papers
Dumoulin,Rault,Robba
, p. 255 - 258 (1996)
A series of methyl or ethyl 3-(N-arylpyrrol-3-yl)-1H-pyrrole-2-carboxylates and 2,4-dicarboxylates have been synthesized using an alkyl isocyanides addition-cyclization with N-arylpyrrole derivatives such as the carboxaldehydes and nitropropenes.
