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120046-05-1

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120046-05-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120046-05-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,0,4 and 6 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 120046-05:
(8*1)+(7*2)+(6*0)+(5*0)+(4*4)+(3*6)+(2*0)+(1*5)=61
61 % 10 = 1
So 120046-05-1 is a valid CAS Registry Number.

120046-05-1Relevant articles and documents

HYDROLYSIS OF KETOL TRIMETHYLENEDITHIOACETALS. ATTEMPTED SYNTHESIS OF YASHABUSHIKETOL

Ho, Tse-Lok,Hill, Raymond J.,Wong, C. M.

, p. 1719 - 1726 (1988)

Thallium(III) trifluoroacetate has been shown to cleave dithianes which contain hydroxy functions that other reagents fail.Hydrolysis of a direct precursor of yashabushiketol led to tetrahydro-γ-pyrones, however.

A convenient preparation of symmetrical and unsymmetrical 1,2-diketones: Application to fluorinated phenytoin synthesis

Page,Graham,Park

, p. 7265 - 7274 (2007/10/02)

1,2-Diketones are efficiently produced in two steps by reaction of aldehydes with anions derived from 2-substituted dithianes followed by treatment of the resulting alcoholis with NBS in aqueous acetone; phenytoin derivatives were prepared from these diketones by a standard method involving treatment with urea and potassium hydroxide under reflux.

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