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3'-hydroxy-5,7,8,4'-tetramethoxy-4-phenylcoumarin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

131889-71-9

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131889-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131889-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,8,8 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131889-71:
(8*1)+(7*3)+(6*1)+(5*8)+(4*8)+(3*9)+(2*7)+(1*1)=149
149 % 10 = 9
So 131889-71-9 is a valid CAS Registry Number.

131889-71-9Relevant academic research and scientific papers

4-ARYLCOUMARINS FROM COUTAREA HEXANDRA

Monache, Giuliano Delle,Botta, Bruno,Vinciguerra, Vittorio,Pinheiro, Rogerio Moura

, p. 3984 - 3986 (1990)

The structures of two neoflavonoids, isolated from a benzene extract of Coutarea hexandra have been established as 3'-hydroxy-5,7,8,4'-tetramethoxy-4-phenylcoumarin and 8,3'-dihydroxy-5,7,4'-trimethoxy-4-phenylcoumarin.The substitution pattern of 8,3',4'-trihydroxy-5,7-dimethoxy-4-phenylcoumarin, also isolated, was also confirmed by chemical reactions.

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