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78956-82-8

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78956-82-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78956-82-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,9,5 and 6 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 78956-82:
(7*7)+(6*8)+(5*9)+(4*5)+(3*6)+(2*8)+(1*2)=198
198 % 10 = 8
So 78956-82-8 is a valid CAS Registry Number.

78956-82-8Downstream Products

78956-82-8Relevant articles and documents

Reactions of Pyrroles with α,β-Unsaturated Aldehydes and Ketones

Treibs, Alfred,Wilhelm, Roland,Hermann, Erwin

, p. 849 - 857 (2007/10/02)

Reactions of α,β-unsaturated aldehydes and ketones with pyrrole derivatives yields the (3-oxoalkyl)pyrroles 2, 6 and 7 as well as the tris(pyrrolyl)propanes 3 and 4.Compound 3a is oxidized to give the tripyrryltrimethine 5 and the dipyrryltrimethine 1a, respectively.The Bucherer hydantoin reaction is recognized to be suitable for the characterization of (3-oxoalkyl)pyrroles.

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