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77880-80-9

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77880-80-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77880-80-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,8 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 77880-80:
(7*7)+(6*7)+(5*8)+(4*8)+(3*0)+(2*8)+(1*0)=179
179 % 10 = 9
So 77880-80-9 is a valid CAS Registry Number.

77880-80-9Downstream Products

77880-80-9Relevant articles and documents

Kinetics and mechanism for the elimination of hydrogen between dimethylaluminum hydride and benzylamine

Beachley Jr.

, p. 2825 - 2828 (1981)

The rate of elimination of hydrogen from dimethylaluminum hydride and benzylamine has been measured at -63°C in toluene solution. All experimental data are consistent with a second-order rate law which is complicated by a series of equilibria. Initial rate data were correlated with a rate law and fitted to an appropriate mechanism. The following steps of the mechanism determine the rate of elimination of hydrogen during the early stages of the reaction: H(CH3)2AlN(CH2C6H5)H 2 + N(CH2C6H5)H2 ?K1 H(CH3)2Al[N(CH2C6H 5)H2]2 H(CH3)2AlN(CH2C6H5)H 2 ?κ2 H(CH3)2Al + N(CH2C6H5)H2 H(CH3)2Al + N(CH2C6H5)H2 →κ H2 + (CH3)2AlN(CH2C6H5)H Additional equilibria which involve the aluminum-nitrogen product from the elimination reaction are proposed in order to fully describe the chemistry of the system. The large number of equilibria which complicate the kinetics of the reaction are related to the high basicity of benzylamine.

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