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88875-73-4

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88875-73-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 88875-73-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,8,8,7 and 5 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 88875-73:
(7*8)+(6*8)+(5*8)+(4*7)+(3*5)+(2*7)+(1*3)=204
204 % 10 = 4
So 88875-73-4 is a valid CAS Registry Number.

88875-73-4Downstream Products

88875-73-4Relevant articles and documents

A Novel Synthesis of 4H-Chromen-4-ones via Intramolecular Wittig Reaction

Kumar, Pradeep,Bodas, Mandar S.

, p. 3821 - 3823 (2007/10/03)

formula presented The acylphosphoranes formed in a sequential manner from the reaction of the silyl ester of O-acyl(aroyl)salicylic acids and (trimethylsilyl)-methylenetriphenylphosphorane undergo intramolecular Wittig cyclization on the ester carbonyl to afford the 4H-chromen-4-ones in good to excellent yields.

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