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911306-20-2

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911306-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 911306-20-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,1,3,0 and 6 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 911306-20:
(8*9)+(7*1)+(6*1)+(5*3)+(4*0)+(3*6)+(2*2)+(1*0)=122
122 % 10 = 2
So 911306-20-2 is a valid CAS Registry Number.

911306-20-2Relevant articles and documents

One-pot synthesis of macrocycles by a tandem three-component reaction and intramolecular [3+2] cycloaddition

Pirali, Tracey,Tron, Gian Cesare,Zhu, Jieping

, p. 4145 - 4148 (2007/10/03)

By combining three appropriately designed simple substrates, a programmed sequence involving an α-isocyano acetamide-based three-component reaction followed by a copper-catalyzed intramolecular [3+2] cycloaddition of alkyne and azide took place to afford complex macrocycles in moderate to good yields. One macrocycle and two heterocycles were produced with concurrent formation of five chemical bonds in this operationally simple process.

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