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183020-74-8

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183020-74-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 183020-74-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,0,2 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 183020-74:
(8*1)+(7*8)+(6*3)+(5*0)+(4*2)+(3*0)+(2*7)+(1*4)=108
108 % 10 = 8
So 183020-74-8 is a valid CAS Registry Number.

183020-74-8Relevant articles and documents

Synthesis of isoquinolines from 2-phenylethylamines, amides, nitriles and carboxylic acids in polyphosphoric acid

Venkov, Atanas P.,Ivanov, Ilian I.

, p. 12299 - 12308 (1996)

A convenient one pot synthesis of 1-, 1.3-substituted 3,4-dihydroisoquinolines 5 enamines 10 and 3-oxo-2,3-dihydroisoquinolines 18 as well as of enamides 22 of isoquinoline from 2-phenyl-, 1,2-diphenylethylamines, phenylacetamides, phenylacetonitriles, N-acylphenylethylamines and carboxylic acids in nonaqueous media has been accomplished.

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