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2'-hydroxy-3,4,4',5',6'-pentamethoxy-3'-C-prenylchalcone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

340816-33-3

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340816-33-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 340816-33-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,0,8,1 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 340816-33:
(8*3)+(7*4)+(6*0)+(5*8)+(4*1)+(3*6)+(2*3)+(1*3)=123
123 % 10 = 3
So 340816-33-3 is a valid CAS Registry Number.

340816-33-3Relevant academic research and scientific papers

Synthesis of 3′, 4′, 5, 6, 7-pentamethoxy-8-C-prenylflavone

Hossain, M. Amzad,Ismail, Zhari

experimental part, p. 11 - 14 (2010/08/20)

3′, 4′, 5, 6, 7-Pentamethoxy-8-C-prenylflavone, isolated from the leaves of Malaysian Orthosiphon stamineus, was synthesized starting with treating 2, 4, 5, 6-tetrahydroxyacetophenone with dimethyl sulphate which yielded several other minor compounds as well. The synthesized title compound is identical in all respects with the natural sample.

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