100681-23-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100681-23-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,6,8 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 100681-23:
(8*1)+(7*0)+(6*0)+(5*6)+(4*8)+(3*1)+(2*2)+(1*3)=80
80 % 10 = 0
So 100681-23-0 is a valid CAS Registry Number.
100681-23-0Relevant articles and documents
Synthesis and Antiinflammatory Activity of 4-Aryl-2-(1'-pyrazolyl)quinazolines
Kamal, Ahmed,Reddy, A. V. N.,Sattur, P. B.
, p. 414 - 418 (2007/10/02)
4-Aryl-2-hydrazinoquinazolines (III) on condensation with acetylacetone, ethyl acetoacetate, mesityl oxide, ethyl cyanoacetate and α-formylphenylacetonitrile afford the corresponding 4-aryl-2-(1'-pyrazolyl)quinazolines (IV, V, VIII, XII and XVI).These com