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118860-90-5

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118860-90-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118860-90-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,8,6 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 118860-90:
(8*1)+(7*1)+(6*8)+(5*8)+(4*6)+(3*0)+(2*9)+(1*0)=145
145 % 10 = 5
So 118860-90-5 is a valid CAS Registry Number.

118860-90-5Downstream Products

118860-90-5Relevant articles and documents

Color and Constitution. Part 8 . Some Novel Dyestuffs Containing Indoxyl Residues

Katritzky, Alan R.,Li, Qiao-Ling,Fan, Wei-Qiang

, p. 1287 - 1292 (2007/10/02)

Novel dyes containing C-linked indoxyl residues are prepared by two routes: (a) by the reaction of C-electrophiles with N-acetylindoxyl and (b) by the reaction of active methylene compounds with 2-chloroindole-3-one.The visible absorption spectra are recorded and discussed.

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