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112999-93-6

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112999-93-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 112999-93-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,9,9 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 112999-93:
(8*1)+(7*1)+(6*2)+(5*9)+(4*9)+(3*9)+(2*9)+(1*3)=156
156 % 10 = 6
So 112999-93-6 is a valid CAS Registry Number.

112999-93-6Relevant articles and documents

PHOTOLACTONIZATION : A NOVEL SYNTHETIC ENTRY TO MACROLIDES

Quinkert, Gerhard,Billhardt, Uta-Maria,Jakob, Harald,Fischer, Gerd,Glenneberg, Juergen,et al.

, p. 822 - 861 (2007/10/02)

o-Quinol acetates, hydroxyalkyalted at C(6), are easily accesible from simple phenols by Wessely acetoxylation (preferentially catalyzed by BF3).On UV irradiation ( in the presence of an appropriate tertiary amine), they are smoothly converted to macrocyclic lactones.Subtle conditions have been elaborated to lead to high overall yields, and the scope of the conversion of phenols to macrolides has been elucidated.

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