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1027746-23-1

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1027746-23-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1027746-23-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,7,7,4 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1027746-23:
(9*1)+(8*0)+(7*2)+(6*7)+(5*7)+(4*4)+(3*6)+(2*2)+(1*3)=141
141 % 10 = 1
So 1027746-23-1 is a valid CAS Registry Number.

1027746-23-1Relevant articles and documents

2-Bromo-6-isocyanopyridine as a Universal Convertible Isocyanide for Multicomponent Chemistry

Van Der Heijden, Gydo,Jong,Ruijter, Eelco,Orru, Romano V. A.

, p. 984 - 987 (2016)

The development of 2-isocyanopyridines as novel convertible isocyanides for multicomponent chemistry is reported. Comparison of 12 representatives of this class revealed 2-bromo-6-isocyanopyridine as the optimal reagent in terms of stability and synthetic efficiency. It combines sufficient nucleophilicity with good leaving group capacity of the resulting amide moiety under both basic and acidic conditions. To demonstrate the practical utility of this reagent, an efficient two-step synthesis of the potent opioid carfentanil is presented.

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