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7-allyloxy-8-iodo-4-phenyl-2H-1-benzopyran-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

76463-91-7

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76463-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76463-91-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,4,6 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 76463-91:
(7*7)+(6*6)+(5*4)+(4*6)+(3*3)+(2*9)+(1*1)=157
157 % 10 = 7
So 76463-91-7 is a valid CAS Registry Number.

76463-91-7Relevant academic research and scientific papers

A Convenient Synthesis of Psoralen Derivatives: Psoralen, 4-Methyl-psoralen and 4-Phenyl-psoralen

Ahluwalia, V.K.,Prakash, Chandra,Bala, Shashi

, p. 877 - 882 (1980)

A convenient synthesis of psoralen derivatives, viz., 7H-furo benzopyran-7-one (psoralen), 5-methyl-7H-furo benzopyran-7-one (4-methyl-psoralen) and 5-phenyl-7H-furo benzopyran-7-one (4-phenyl-psoralen) by blocking the 8-position of the starting compounds with iodine, subsequent Claisen migration followed by cyclisation is described. - Keywords: Claisen migration; Coumarins; Psoralen derivatives

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