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1186113-21-2

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1186113-21-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1186113-21-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,6,1,1 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1186113-21:
(9*1)+(8*1)+(7*8)+(6*6)+(5*1)+(4*1)+(3*3)+(2*2)+(1*1)=132
132 % 10 = 2
So 1186113-21-2 is a valid CAS Registry Number.

1186113-21-2Relevant articles and documents

Efficient synthesis of 5,6-dihydroxyindole dimers, key eumelanin building blocks, by a unified o-ethynylaniline-based strategy for the construction of 2-linked biindolyl scaffolds

Capelli, Luigia,Manini, Paola,Pezzella, Alessandro,Napolitano, Alessandra,D'Ischia, Marco

supporting information; experimental part, p. 7191 - 7194 (2009/12/09)

(Chemical Equation Presented) A unified convenient strategy for the synthesis of 5,6-dihydroxyindole-derived 2,7′-, 2,2′-, and 2,3′-biindolyls is reported, which is based on proper manipulation of key o-ethynylaniline precursors. By the same methodology 5

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