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1228392-67-3

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1228392-67-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1228392-67-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,8,3,9 and 2 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1228392-67:
(9*1)+(8*2)+(7*2)+(6*8)+(5*3)+(4*9)+(3*2)+(2*6)+(1*7)=163
163 % 10 = 3
So 1228392-67-3 is a valid CAS Registry Number.

1228392-67-3Downstream Products

1228392-67-3Relevant articles and documents

An efficient low-temperature stille-migita cross-coupling reaction for heteroaromatic compounds by Pd-PEPPSI-IPent

Dowlut, Meenakshi,Mallik, Debasis,Organ, Michael G.

supporting information; experimental part, p. 4279 - 4283 (2010/07/02)

The reactivity of Pd-PEPPSI (Pyridine, Enhanced, Precatalyst, Preparation, Stabilization, and Initiation) precatalysts in the Stille-Migita crosscoupling reaction between heteroaryl stannanes and aryl or heteroaryl halides was evaluated. In general, PdPEPPSI-IPent (IPent = diisopentylphenylimidazolium derivative) demonstrated high efficiency over a variety of challenging aryl or heteroaryl halides with thiophene-, furan-, pyrrole-, and thiazole-based organostannanes when compared with Pd-PEPPSI-IPr (IPr = diisopropylphenylimidazolium derivative). The transformations proceeded at appreciably lower temperatures (3080°C) than triarylphosphine-based Pd catalysts, improving the scope of this useful carbon-carbon bond-forming process.

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