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98352-19-3

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98352-19-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98352-19-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,5 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98352-19:
(7*9)+(6*8)+(5*3)+(4*5)+(3*2)+(2*1)+(1*9)=163
163 % 10 = 3
So 98352-19-3 is a valid CAS Registry Number.

98352-19-3Relevant articles and documents

NOVEL SYNTHESES OF 1-SUBSTITUTED-7,8-DIALKOXYISOCHROMAN-3-ONES AND 8-SUBSTITUTED-2,3,9,10-TETRAMETHOXYBERBINES

Mali, R. S.,Patil, Sharadbala D.,Patil, S. L.

, p. 2075 - 2082 (2007/10/02)

A novel and general method for the synthesis of 1-substituted-7,8-dialkoxyisochroman-3-ones is described from 3,4-dialkoxy-N,N-dimethylbenzylamines (5a-5b). 1-Methyl- and 1-phenyl-7,8-dimethoxyisochroman-3-ones (7g and 7d) have been used to synthesise 8-methyl- and 8-phenyl-tetrahydropalmatines (9a,10a and 9b, 10b).No synthesis of these compounds have been so far reported.

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