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136623-23-9

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136623-23-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136623-23-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,6,2 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 136623-23:
(8*1)+(7*3)+(6*6)+(5*6)+(4*2)+(3*3)+(2*2)+(1*3)=119
119 % 10 = 9
So 136623-23-9 is a valid CAS Registry Number.

136623-23-9Downstream Products

136623-23-9Relevant articles and documents

Antiarrhythmic active amidinohydrazones of substituted benzophenones. Part 2: Preparation and determination of the configuration of (Z)- and (E)-2-amino-5-chlorbenzophenoneamidinohydrazone salts

Richter,Schleuder,Reck,Hagen

, p. 828 - 833 (2007/10/02)

The configurational isomers of the 2-amino-5-chlorbenzophenoneamidinohydrazones could be obtained as TLC pure samples by fractionating crystallization of the product mixture. The determination of their configuration by comparison of the UV spectra with the corresponding oximes could be confirmed by X-ray structure analysis.

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