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67833-43-6

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67833-43-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67833-43-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,8,3 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 67833-43:
(7*6)+(6*7)+(5*8)+(4*3)+(3*3)+(2*4)+(1*3)=156
156 % 10 = 6
So 67833-43-6 is a valid CAS Registry Number.

67833-43-6Relevant articles and documents

α,β-Epoxy Sulfoxides as Useful Intermediates in Organic Synthesis. I. A Novel Synthesis of Dialkyl Ketones and a Synthesis of Aldehydes from Ketones by One Carbon Elongation

Satoh, Tsuyoshi,Kaneko, Youhei,Izawa, Takao,Sakata, Kiichi,Yamakawa, Koji

, p. 1983 - 1990 (2007/10/02)

Treatment of α,β-epoxy sulfoxides, prepared from 1-chloroalkyl phenyl sulfoxides with ketones or aldehydes, with sodium benzeneselenolate gives dialkyl ketones or aldehydes in good yields under mild conditions.The mechanism of this reaction and an application of this process to a formal total synthesis of dihydrojasmone are described.

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