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632340-63-7

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632340-63-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 632340-63-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,3,2,3,4 and 0 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 632340-63:
(8*6)+(7*3)+(6*2)+(5*3)+(4*4)+(3*0)+(2*6)+(1*3)=127
127 % 10 = 7
So 632340-63-7 is a valid CAS Registry Number.

632340-63-7Downstream Products

632340-63-7Relevant articles and documents

An alternative method for the synthesis of γ-lactones by using cesium fluoride-celite/acetonitrile combination

Khan, Khalid Mohammed,Hayat, Safdar,Zia-Ullah,Atta-ur-Rahman,Iqbal-Choudhary,Maharvi, Ghulam Murtaza,Bayert, Ernst

, p. 3435 - 3453 (2007/10/03)

A variety of 2-(1-bromoalkyl) benzoic acids 4 undergo intramolecular nucleophilic substitution reaction when treated with a CsF-Celite as solid base in acetonitrile under reflux condition to give the corresponding cyclized phthalides in moderate to very good yield. These 2-(1-bromoalkyl) benzoic acids 4 are formed by the α-bromination of 2-alkylbenzoic acids 3 using N-bromosuccinimide and a catalytic amount of α,α′ -azoisobutyronitrile in carbon tetrachloride under reflux.

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