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125949-03-3

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125949-03-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 125949-03-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,9,4 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 125949-03:
(8*1)+(7*2)+(6*5)+(5*9)+(4*4)+(3*9)+(2*0)+(1*3)=143
143 % 10 = 3
So 125949-03-3 is a valid CAS Registry Number.

125949-03-3Downstream Products

125949-03-3Relevant articles and documents

Synthesis of 2,3-dihydro-5,7-dihydroxy-8-(3-methyl-2-butenyl)-2--4H-benzopyran-4-one

Chopra, Renu,Krishnamurti, M.

, p. 507 - 509 (2007/10/02)

Synthesis of the title compound (VI) has been achieved starting from 2'-hydroxy-4',6'-di-(methoxymethoxy)-4-methoxy-3-(γ,γ-dimethylallyl)chalcone (III).Prenylation of III with prenyl bromide in the presence of methanolic KOH affords 2'-hydroxy-4',6'-di-(methoxymethoxy)-4-methoxy-3, 3'-di-(γ,γ-dimethylallyl)chalcone (IV), which on cyclization followed by dimethoxymethylation affords VI.

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