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226958-59-4

226958-59-4

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226958-59-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 226958-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,6,9,5 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 226958-59:
(8*2)+(7*2)+(6*6)+(5*9)+(4*5)+(3*8)+(2*5)+(1*9)=174
174 % 10 = 4
So 226958-59-4 is a valid CAS Registry Number.

226958-59-4Upstream product

226958-59-4Downstream Products

226958-59-4Relevant articles and documents

Improved procedures for large preperation of 6- and 7-oxy-substituted isoquinolines and a convenient work-up protocol for titanium supported reactions

Kucznierz, Ralf,Dickhaut, Joachim,Leinert, Herbert,Von Der Saal, Wolfgang

, p. 1617 - 1625 (1999)

Improved procedures for large scale preparation of oxy-substituted isoquinolines are reported. Moreover, a simple and convenient protocol for alkaline work-up of titanium containing reaction mixtures is given, which is expected to be of general interest even for reactions on a technical scale.

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