Cas 1179857-38-5,mono-3-O-(p-methylbenzoyl)-β-cyclodextrin

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Check Digit Verification of cas no

The CAS Registry Mumber 1179857-38-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,9,8,5 and 7 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1179857-38:
(9*1)+(8*1)+(7*7)+(6*9)+(5*8)+(4*5)+(3*7)+(2*3)+(1*8)=215
215 % 10 = 5
So 1179857-38-5 is a valid CAS Registry Number.

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1179857-38-5Relevant articles and documents

Direct aroylation of β-cyclodextrin on the secondary hydroxyl face: A convenient equilibrium-dependent preparation of mono-3-aroyl-β-cyclodextrin via C2-O-aroyl to C3-O-aroyl group migration

Wang, Zhi-Zhong,Huang, Qing,Wei, Shi-Jie,Sun, Lei,Chen, Jing

, p. 1719 - 1721 (2012)

A new and convenient method is presented for the preparation of mono-3-O-benzoyl-β-cyclodextrin by direct regioselective benzoylation of β-cyclodextrin using N-benzoylimidazole in carbonate buffer solution. This process involved equilibrium-dependent C2-O

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1179857-38-5