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22887-74-7

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22887-74-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22887-74-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,8,8 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22887-74:
(7*2)+(6*2)+(5*8)+(4*8)+(3*7)+(2*7)+(1*4)=137
137 % 10 = 7
So 22887-74-7 is a valid CAS Registry Number.

22887-74-7Downstream Products

22887-74-7Relevant articles and documents

Synthetic potentialities of sulfonylsulfonium salts: A new approach to the preparation of disulfonium dications

Shevchenko,Nenaidenko,Balenkova

, p. 1415 - 1420 (2007/10/03)

A new efficient method for the generation of disulfonium dications whose subsequent hydrolysis selectively affords monosulfoxides was developed based on the oxidation of bis-sulfides by trifluoromethanesulfonic anhydride.

Preparation of Novel Selenacrown Ethers and Their Complexing Abilities with Transition Metal and Heavy Metal Cations

Kumagai, Takeshi,Akabori, Sadatoshi

, p. 1667 - 1670 (2007/10/02)

Cyclic polyselenaethers were prepared and their extraction abilities toward transition metal and heavy metal cations were determined.Toward methylmercury(II) cation, the extraction abilities of these selenacrown ethers were higher than those of structurally corresponding thiacrown ethers.Also the structures of the complexes of these selenacrown ethers with transition metal and heavy metals were discussed.

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