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3-(1,1-Dimethylallyl)-8-(3,3-dimethylallyl)-7-hydroxycoumarin is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87702-90-7

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87702-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87702-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,0 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 87702-90:
(7*8)+(6*7)+(5*7)+(4*0)+(3*2)+(2*9)+(1*0)=157
157 % 10 = 7
So 87702-90-7 is a valid CAS Registry Number.

87702-90-7Downstream Products

87702-90-7Relevant academic research and scientific papers

Synthesis of 3-(1,1-Dimethylallyl)xanthyletin, 3-(1,1-Dimethylallyl)-8-(3,3-dimethylallyl)xanthyletin, Gravelliferone and dl-Chalepin

Sharma, R. B.,Kapil, R. S.

, p. 538 - 541 (2007/10/02)

The synthesis of title compounds has been achieved from the key intermediate 3-(1,1-dimethylallyl)-7-hydroxycoumarin (7) which, in turn, is obtained by triple Claisen rearrangement of 7-(3,3-dimethylallyl)oxycoumarin (2) using butyric anhydride as the trapping reagent.

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