100693-28-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100693-28-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,6,9 and 3 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 100693-28:
(8*1)+(7*0)+(6*0)+(5*6)+(4*9)+(3*3)+(2*2)+(1*8)=95
95 % 10 = 5
So 100693-28-5 is a valid CAS Registry Number.
100693-28-5Relevant 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