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1437307-75-9

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1437307-75-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1437307-75-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,7,3,0 and 7 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1437307-75:
(9*1)+(8*4)+(7*3)+(6*7)+(5*3)+(4*0)+(3*7)+(2*7)+(1*5)=159
159 % 10 = 9
So 1437307-75-9 is a valid CAS Registry Number.

1437307-75-9Relevant articles and documents

Concise synthesis of flavocommelin, 7-O-methylapigenin 6-C-, 4′-O-bis-β-d-glucoside, a component of the blue supramolecular pigment from Commelina communis

Misawa, Kazufumi,Gunji, Yoshiki,Sato, Shingo

, p. 8 - 13 (2013/06/26)

Flavocommelin, 7-O-methylapigenin 6-C-, 4′-O-bis-β-d-glucoside, was synthesized in 9 steps from the C-glycosylation of 6-O-benzy-4-O- methylphloroacetophenone via the introduction of a cinnamoyl residue by aldol condensation and the formation of a C-ring by regioselective and oxidative ring-closure to regio- and stereoselective O-glycosylation for an overall yield of 31%.

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