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90679-72-4

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90679-72-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90679-72-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,6,7 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 90679-72:
(7*9)+(6*0)+(5*6)+(4*7)+(3*9)+(2*7)+(1*2)=164
164 % 10 = 4
So 90679-72-4 is a valid CAS Registry Number.

90679-72-4Relevant articles and documents

STUDIES ON SRN1 REACTIONS - 9 A NEW ACCESS TO THE ISOQUINOLINE RING SYSTEM

Beugelmans, Rene,Chastanet, Jacqueline,Roussi, Georges

, p. 311 - 314 (2007/10/02)

The SRN1 reaction between o-halogeno-benzylamines and enolates derived from a series of ketones and aldehydes affords 1, 2 dihydro-isoquinolines from which are obtained (i) the isoquinoline derivatives, either spontaneously or by treatment on Pd-C and (ii) the 1, 2, 3, 4 tetrahydro-isoquinoline derivatives after sodium borohydride reduction.

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