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91827-17-7

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91827-17-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91827-17-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,8,2 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 91827-17:
(7*9)+(6*1)+(5*8)+(4*2)+(3*7)+(2*1)+(1*7)=147
147 % 10 = 7
So 91827-17-7 is a valid CAS Registry Number.

91827-17-7Relevant articles and documents

NEW METHODS AND REAGENTS IN ORGANIC SYNTHESIS. 44. A NEW GENERAL EFFICIENT SYNTHESIS OF DL--GINGEROLS AND RELATIVES THROUGH DIRECT C-ACYLATION USING DIETHYL PHOSPHOROCYANIDATE (DEPC)

Kato, Nobuharu,Hamada, Yasumasa,Shioiri, Takayuki

, p. 1679 - 1682 (2007/10/02)

DL--Gingerols (1) and their relatives, which have various interesting physiological actions, have been conveniently and efficiently prepared from ferulic acid (2) through direct C-acylation using diethyl phosphorocyanidate (DEPC) in the presence of triethylamine.KEYWORDS - -gingerol; C-acylation; diethyl phosphorocyanidate; β-ketonitrile; Grignard reaction; β-ketol

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