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13719-49-8

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13719-49-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13719-49-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,1 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 13719-49:
(7*1)+(6*3)+(5*7)+(4*1)+(3*9)+(2*4)+(1*9)=108
108 % 10 = 8
So 13719-49-8 is a valid CAS Registry Number.

13719-49-8Relevant articles and documents

Diastereoselective synthesis of novel tetra-and pentacyclic annulated coumarino-δ-sultam pyrrolidine, pyrrolizidine, pyrrolothiazole and isoxazolidine derivatives: Via intramolecular 1,3-dipolar cycloadditions

Ghandi, Mehdi,Zarezadeh, Nahid,Abbasi, Alireza

, p. 67805 - 67816 (2016)

A facile and efficient strategy towards the novel tetra- and pentacyclic annulated coumarino-δ-sultam pyrrolidine, pyrrolizidine, pyrrolothiazole and isoxazolidine via intramolecular 1,3-dipolar cycloadditions of nitrones or azomethine ylides is described

Cyclic sulfonamides via the ring-closing metathesis reaction

Hanson, Paul R.,Probst, Donald A.,Robinson, Randall E.,Mei, Yau

, p. 4761 - 4764 (2007/10/03)

The first examples of ring-closing metathesis (RCM) reactions on allyl- and vinylsulfonamide templates 1 and 2 catalyzed by the Grubbs ruthenium alkylidene 3 are described. The rate of cyclization of these reactions are sensitive to simple olefin substitu

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