874111-22-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 874111-22-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,1,1 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 874111-22:
(8*8)+(7*7)+(6*4)+(5*1)+(4*1)+(3*1)+(2*2)+(1*2)=155
155 % 10 = 5
So 874111-22-5 is a valid CAS Registry Number.
874111-22-5Relevant academic research and scientific papers
2-R-6-ethyl-7-hydroxy-3-(5-phenyl-1,3,4-thiadiazolyl-2)chromones
Shokol,Semenyuchenko,Khilya
, p. 1588 - 1594 (2007/10/03)
α-(5-Phenyl-1,3,4-thiadiazolyl-2)-6-ethyl-2,4-dihydroxyacetophenone was synthesized by the condensation of 4-ethylresorcinol with 2-cyanomethyl-5-phenyl-1,3,4-thiadiazole. Interaction of the former with carboxylic acid anhydrides and halides and subsequen