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133833-40-6

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133833-40-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133833-40-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,8,3 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 133833-40:
(8*1)+(7*3)+(6*3)+(5*8)+(4*3)+(3*3)+(2*4)+(1*0)=116
116 % 10 = 6
So 133833-40-6 is a valid CAS Registry Number.

133833-40-6Downstream Products

133833-40-6Relevant articles and documents

Highly Regio- and Stereocontrolled Glyoxylate-Ene Reaction with (Homo)Allylic Ethers: Remarkable Alkoxy Effect in Regio- and Stereocontrol

Mikami, Koichi,Shimizu, Masaki,Nakai, Takeshi

, p. 2952 - 2953 (1991)

A highly regio- and stereocontrolled glyoxylate-ene reaction with allylic and homoallylic ethers has been developed, which allows regio- and stereospecific multifunctionalizations as highlighted by a short synthesis of (+/-)-avenaciolide.

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