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170839-31-3

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170839-31-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 170839-31-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,8,3 and 9 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 170839-31:
(8*1)+(7*7)+(6*0)+(5*8)+(4*3)+(3*9)+(2*3)+(1*1)=143
143 % 10 = 3
So 170839-31-3 is a valid CAS Registry Number.

170839-31-3Downstream Products

170839-31-3Relevant articles and documents

Installation of protected ammonia equivalents onto aromatic & heteroaromatic rings in water enabled by micellar catalysis

Isley, Nicholas A.,Dobarco, Sebastian,Lipshutz, Bruce H.

supporting information, p. 1480 - 1488 (2014/03/21)

A single set of conditions consisting of a palladium catalyst, a commercially available ligand, and a base, allow for several types of C-N bond constructions to be conducted in water with the aid of a commercially available "designer" surfactant (TPGS-750-M). Products containing a protected NH2 group in the form of a carbamate, sulfonamide, or urea can be fashioned starting with aryl or heteroaryl bromides, iodides, and in some cases, chlorides, as substrates. Reaction temperatures are in the range of room temperature to, at most, 50 °C, and result in essentially full conversion and good isolated yields.

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