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1213228-99-9

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1213228-99-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1213228-99-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,3,2,2 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1213228-99:
(9*1)+(8*2)+(7*1)+(6*3)+(5*2)+(4*2)+(3*8)+(2*9)+(1*9)=119
119 % 10 = 9
So 1213228-99-9 is a valid CAS Registry Number.

1213228-99-9Downstream Products

1213228-99-9Relevant academic research and scientific papers

A new type of oxidation-reduction condensation by the combined use of phenyl diphenylphosphinite and oxidant

Mukaiyama, Teruaki,Kuroda, Kiichi,Maruyama, Yuji

scheme or table, p. 63 - 82 (2010/04/23)

A new type of oxidation-reduction condensation of alcohols with sulfur, nitrogen, and oxygen nucleophiles by the combined use of phenyl diphenylphosphinite (PhOPPh2) and oxidants such as azides or diethyl azodicarboxylate (DEAD) are described. In these reactions, chiral secondary and tertiary alcohols are converted into the corresponding chiral sulfides, azides, esters and ethers under mild and neutral conditions with almost complete inversion of stereochemical configuration.

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