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91021-53-3

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91021-53-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91021-53-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,2 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91021-53:
(7*9)+(6*1)+(5*0)+(4*2)+(3*1)+(2*5)+(1*3)=93
93 % 10 = 3
So 91021-53-3 is a valid CAS Registry Number.

91021-53-3Downstream Products

91021-53-3Relevant academic research and scientific papers

NOVEL REACTIONS OF AMINOSULFOXONIUM YLIDE WITH EPOXIDES

Okuma, Kentaro,Nishimura, Kenshin,Ohta, Hiroshi

, p. 93 - 96 (1984)

Reactions of (dimethylamino)phenyloxosulfonium methylide with epoxides were carried out.When aromatic epoxides were used as substrates, cyclopropyl sulfones and oxetanes were obtained.When aliphatic epoxides were used, the products were only the cycloprop

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