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108907-47-7

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108907-47-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108907-47-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,9,0 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 108907-47:
(8*1)+(7*0)+(6*8)+(5*9)+(4*0)+(3*7)+(2*4)+(1*7)=137
137 % 10 = 7
So 108907-47-7 is a valid CAS Registry Number.

108907-47-7Downstream Products

108907-47-7Relevant articles and documents

Tannins and Related Compounds. LVI. Isolation of Four New Acylated Flavan-3-ols from Oolong Tea. (1)

Hashimoto, Fumio,Nonaka, Gen-Ichiro,Nishioka, Itsuo

, p. 611 - 616 (2007/10/02)

A chemical examination of the aqueous acetone extract of commercial oolong tea has led to the isolation of four new acylated flavan-3-ols 1-4, together with the known compounds 5-13.On the basis of chemical and spectroscopic evidence, compounds 1-4 have been characterized as (-)-epiafzelechin 3-O-gallate (1), (-)-epicatechin 3-O-(4-O-methyl)-gallate (2), (-)-epicatechin 3-O-p-hydroxybenzoate (3) and (-)-epigallocatechin 3-O-cinnamate (4).

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