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937-11-1

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937-11-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 937-11-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,3 and 7 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 937-11:
(5*9)+(4*3)+(3*7)+(2*1)+(1*1)=81
81 % 10 = 1
So 937-11-1 is a valid CAS Registry Number.

937-11-1Relevant articles and documents

Visible-Light-Driven Synthesis of Arylstannanes from Arylazo Sulfones

Lian, Chang,Yue, Guanglu,Mao, Jinshan,Liu, Danyang,Ding, Yi,Liu, Zerong,Qiu, Di,Zhao, Xia,Lu, Kui,Fagnoni, Maurizio,Protti, Stefano

supporting information, p. 5187 - 5191 (2019/07/03)

The visible-light-driven preparation of (hetero)aryl stannanes was carried out under both photocatalyst- and metal-free conditions via irradiation of arylazo sulfones in the presence of hexaalkyldistannanes. The reaction shows a high efficiency and a wide substrates scope. The resulting crude organotin derivatives can be directly employed in a Stille protocol.

Organosilicon compounds. XLVII. The substituent effects and leaving group abilities of mono-, bis- and tris-(trimethylsilyl)silyl groups in electrophilic aromatic substitution

Cook,Eaborn,Walton

, p. 85 - 90 (2008/10/08)

The rates of cleavage at 50° by a mixture of ethanol (5 vol) and aqueous perchloric acid (2 vol) of the aryl-SnMe3 bonds of p-[(Me3Si)xMe(3-x)Si]C6H4SnMe3 compounds relative to that of phenyltrimethylstannane have been found to be 0.93 (x = 0), 1.31 (x = 1), 1.67 (x = 2) and 1.76 (x = 3). The increase in rate with the increasing magnitude of x can be attributed to inductive and hyperconjugative electron release from the SiSi bonds. The rates of cleavage at 50° by a mixture of methanol (5 vol) and aqueous perchloric acid (2 vol) of the aryl-Si bonds of the compounds [(Me3Si)xMe(3-x)Si]Ph are 1.0 (x = 0), 2.1 (x = 1), 0.35 (x = 2), and 0.056 (x = 3). The reactivity sequence as x is increased is attributed to opposition between a rate enhancement associated with the increasing electron release and a rate retardation associated with increasing steric hindrance, especially hindrance to solvation of the transition state.

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