847758-44-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 847758-44-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,4,7,7,5 and 8 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 847758-44:
(8*8)+(7*4)+(6*7)+(5*7)+(4*5)+(3*8)+(2*4)+(1*4)=225
225 % 10 = 5
So 847758-44-5 is a valid CAS Registry Number.
847758-44-5Relevant 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