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127870-66-0

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127870-66-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127870-66-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,8,7 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 127870-66:
(8*1)+(7*2)+(6*7)+(5*8)+(4*7)+(3*0)+(2*6)+(1*6)=150
150 % 10 = 0
So 127870-66-0 is a valid CAS Registry Number.

127870-66-0Downstream Products

127870-66-0Relevant articles and documents

A New Synthesis of Anthraquinones Using Dihydro-oxazoles and Grignard Reagents Derived from Mg(Anthracene)(THF)3

Nicoletti, Teresa M.,Raston, Colin L.,Sargent, Melvyn V.

, p. 133 - 138 (2007/10/02)

A general synthesis of anthraquinones which depends on the displacement of the methoxy group from an o-methoxyaryldihydro-oxazole by a methoxy substituted benzylmagnesium chloride, generated by using a magnesium-anthracene complex, has been developed.The masked benzylbenzoic acids which result from these reactions are deprotected and then ring-closed to anthrones which on oxidation yield anthraquinones.In this way, the followeing naturally occurring anthraquinones (or derivatives thereof have been synthesized): chrysophanol (9), islandicin (19), digitopurpone (21), tri-O-methylemodin (26), and di-O-methylsoranjidiol (29).

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