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1038996-87-0

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1038996-87-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1038996-87-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,3,8,9,9 and 6 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1038996-87:
(9*1)+(8*0)+(7*3)+(6*8)+(5*9)+(4*9)+(3*6)+(2*8)+(1*7)=200
200 % 10 = 0
So 1038996-87-0 is a valid CAS Registry Number.

1038996-87-0Relevant articles and documents

Synthesis of Sulfones via Ru(II)-Catalyzed Sulfination of Boronic Acids

Gulbe, Krista,Turks, Mā ris

, p. 5660 - 5669 (2020/05/19)

Ruthenium(II) complexes catalyze the insertion of sulfur dioxide into (het)aryl and alkenyl boronic acids. The transmetalation-sulfination process proceeds with DABSO in the presence of 5 mol % RuCl2(PPh3)3 in methanol at 100 °C. The intermediate sulfinate salt can be quenched with various electrophiles such as alkyl halides, epoxides, Michael acceptors, and λ3-iodanes in moderate to good yields. The reported sulfone synthesis can be performed either as a direct one-pot or one-pot two-step procedure depending on the reactivity of the electrophile.

A new method for the preparation of (E)-2-(styrylsulfonyl)acetic acid esters and their reactions with hydrazine hydrate

Nguyen, Son T.,Peet, Norton P.

experimental part, p. 1205 - 1207 (2011/06/17)

A new route to esters of (E)-2-(styrylsulfonyl)acetic acid has been developed. Treatment of the methyl ester with hydrazine hydrate gave the six-membered 4-amino-5-phenylthiomorpholine-3-one 1,1-dioxide (1), and not the seven-membered 6-phenyl-1,4,5-thiad

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