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76672-92-9

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76672-92-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76672-92-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,7 and 2 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 76672-92:
(7*7)+(6*6)+(5*6)+(4*7)+(3*2)+(2*9)+(1*2)=169
169 % 10 = 9
So 76672-92-9 is a valid CAS Registry Number.

76672-92-9Relevant articles and documents

An improved synthesis of homoisoflavanones

Jaspal, Sharda,Grover

, p. 1782 - 1783 (2007/10/03)

2′-Hydroxydihydrochalcones i.e. 1-(2-hydroxyphenyl)-3- phenylpropanones having different oxygenation patterns in ring-A and ring-B, on refluxing with paraformaldehyde powder and aqueous diethylamine in ethanol give the corresponding homoisoflavanones in excellent yields.

Homoisoflavonoids and Related Compounds. IV. Absolute Configurations of Homoisoflavonoids from Caesalpinia sappan L.

Namikoshi, Michio,Saitoh, Tamotsu

, p. 3597 - 3602 (2007/10/02)

The absolute configuration of the homoisoflavonoidal components, 4-O-methylsappanol, 4-O-methylepisappanol, sappanone B, 3-deoxysappanone B and 3'-deoxysappanone B, from Caesalpinia sappan L. were determined on the basis of chemical transformations and the optical properties.Keywords - Caesalpinia sappan; Leguminosae; Sappan Lignum; heartwood; homoisoflavonoid; absolute configuration

A New Biogenetic Approach for the Synthesis of Homoisoflavanones

Makrandi, J. K.,Grover, S. K.

, p. 739 - 743 (2007/10/02)

2'-Hydroxydihydrochalkones on refluxing with methylene iodide in acetone medium in the presence of anhydrous potassium carbonate have been found to yield bi(dihydrochalkonyloxy)methanes and homoisoflavanones.

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