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189163-36-8

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189163-36-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189163-36-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,1,6 and 3 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 189163-36:
(8*1)+(7*8)+(6*9)+(5*1)+(4*6)+(3*3)+(2*3)+(1*6)=168
168 % 10 = 8
So 189163-36-8 is a valid CAS Registry Number.

189163-36-8Relevant articles and documents

Regioselective opening of epoxides to β-amido alcohols under solid-liquid PTC conditions

Albanese, Domenico,Landini, Dario,Penso, Michele

, p. 4787 - 4790 (1997)

A study on the ring opening of a number of epoxides 1 with trifluoroacetamide (2) under solid-liquid phase transfer catalysis (SL-PTC) conditions has been performed. The reaction is completely regioselective affording β-amido alcohols 3 deriving from the attack of the nucleophile to the less substituted carbon atom of the oxirane ring.

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