141238-66-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 141238-66-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,2,3 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 141238-66:
(8*1)+(7*4)+(6*1)+(5*2)+(4*3)+(3*8)+(2*6)+(1*6)=106
106 % 10 = 6
So 141238-66-6 is a valid CAS Registry Number.
141238-66-6Relevant articles and documents
Studies on pyridazine derivatives: Synthesis of pyrrolo[2,3-c]pyridazine and related compounds
Kamal El-Dean,Geies,Radwan
, p. 135 - 142 (2007/10/03)
The reaction of 3-chloro-5,6-diphenylpyridazine-4-carbonitrile (4) with ethyl glycinate in DMF/K2CO3 gave the ester derivative 8, which underwent ring closure using ethoxide solution to give ethyl 5-amino-3,4-diphenyl-7-(H)-pyrrolo[2
