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349104-55-8

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349104-55-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 349104-55-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,9,1,0 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 349104-55:
(8*3)+(7*4)+(6*9)+(5*1)+(4*0)+(3*4)+(2*5)+(1*5)=138
138 % 10 = 8
So 349104-55-8 is a valid CAS Registry Number.

349104-55-8Relevant articles and documents

Parham-type cyclization and nucleophilic addition-N-acyliminium ion cyclization sequences for the construction of the isoquinoline nucleus

Collado, M. Isabel,Sotomayor, Nuria,Villa, Maria-Jesus,Lete, Esther

, p. 6193 - 6196 (1996)

Efficient methodologies based on the nucleophilic addition-N-acyliminium ion cyclization and the Parham-type cyclization sequences of N-phenethylimides 1 and 2 are reported for the synthesis of a dibenzo[a,h]quinolizidones, thiazolo-, oxazolo-, and imidazolo[4,3-a]isoquinolones.

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