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111536-58-4

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111536-58-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 111536-58-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,1,5,3 and 6 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 111536-58:
(8*1)+(7*1)+(6*1)+(5*5)+(4*3)+(3*6)+(2*5)+(1*8)=94
94 % 10 = 4
So 111536-58-4 is a valid CAS Registry Number.

111536-58-4Relevant articles and documents

Vinyl Azides in Heterocyclic Synthesis. Part 9. Synthesis of the Isoquinolone Alkaloid Siamine by Intramolecular Aza-Wittig Reaction

Kennedy, Michael,Moody, Christopher J.,Rees, Charles W.,Vaquero, Juan J.

, p. 1395 - 1398 (2007/10/02)

The isoquinolone alkaloid siamine (1) has been synthesised from 3,5-dibenzyloxybenzoic acid (2) by a route which incorporates an intramolecular aza-Wittig reaction as the key step.The benzaldehyde (5), prepared from the benzoic acid (2) by the dihydro-oxa

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