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82657-39-4

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82657-39-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82657-39-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,5 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 82657-39:
(7*8)+(6*2)+(5*6)+(4*5)+(3*7)+(2*3)+(1*9)=154
154 % 10 = 4
So 82657-39-4 is a valid CAS Registry Number.

82657-39-4Upstream product

82657-39-4Relevant academic research and scientific papers

Intramolecular Interactions II. Weak Intramolecular Interactions in Derivatives of Barbituric Acid

Haslinger, Ernst,Kalchhauser, Hermann,Wolschann, Peter

, p. 633 - 640 (2007/10/02)

A weak intramolecular interaction has been found between an N,N-dimethylbarbituric acid ring and an aromatic system connected by an aliphatic chain, and has been studied by UV-VIS and NMR spectroscopy. ΔH and ΔS values have been determined from the temper

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