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(2,5-Dichloro-4-ethoxycarbonylamino-3,6-dihydroxy-phenyl)-carbamic acid ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81720-96-9

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81720-96-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81720-96-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,2 and 0 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 81720-96:
(7*8)+(6*1)+(5*7)+(4*2)+(3*0)+(2*9)+(1*6)=129
129 % 10 = 9
So 81720-96-9 is a valid CAS Registry Number.

81720-96-9Relevant academic research and scientific papers

1,4-Benzoquinones: Improved Methods of Synthesis and New Diaziridinyl Analogues

Dzielendziak, Adam,Butler, John

, p. 643 - 645 (2007/10/02)

Two methods are given for the synthesis of 2,5-dichloro-3,6-bis(alkoxycarbonylamino)-1,4-benzoquinones 4, which can be subsequently reacted with aziridine to produce novel 2,5-di(1-aziridinyl)-3,6-bis(alkoxycarbonylamino)-1,4-benzoquinones 5.The first met

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