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857272-74-3

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857272-74-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857272-74-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,2,7 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 857272-74:
(8*8)+(7*5)+(6*7)+(5*2)+(4*7)+(3*2)+(2*7)+(1*4)=203
203 % 10 = 3
So 857272-74-3 is a valid CAS Registry Number.

857272-74-3Relevant articles and documents

Synthesis of functionalized spiroindolines via palladium-catalyzed methine C-H arylation

Saget, Tanguy,Perez, David,Cramer, Nicolai

supporting information, p. 1354 - 1357 (2013/05/09)

The synthesis of cyclopropyl spiroindolines is described using an intramolecular palladium(0)-catalyzed C-H functionalization of a methine C(sp3)-H bond. This transformation can be coupled with intermolecular Suzuki couplings or direct arylations of heteroaromatics to access functionalized indoline scaffolds in a single step.

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