77607-49-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77607-49-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,6,0 and 7 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 77607-49:
(7*7)+(6*7)+(5*6)+(4*0)+(3*7)+(2*4)+(1*9)=159
159 % 10 = 9
So 77607-49-9 is a valid CAS Registry Number.
77607-49-9Relevant academic research and scientific papers
Synthesis of 8-Acetyl-7--4-methylcoumarins as Biodynamic Agents
Malik, Mangel S.,Rastogi, Shri Nivas
, p. 171 - 174 (2007/10/02)
Condensation of 8-acetyl-7-hydroxy-4-methylcoumarin (1) with 1,3-chlorobromopropane and of 1 with epichlorohydrin gives the corresponding 7-(3-chloropropoxy)coumarin (2) and 7-(2,3-epoxypropoxy)coumarin (3) respectively.Treatment of 2 and 3 with various a
