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352233-13-7

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352233-13-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 352233-13-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,5,2,2,3 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 352233-13:
(8*3)+(7*5)+(6*2)+(5*2)+(4*3)+(3*3)+(2*1)+(1*3)=107
107 % 10 = 7
So 352233-13-7 is a valid CAS Registry Number.

352233-13-7Relevant articles and documents

Synthesis, resolution and absolute configuration of a tolperisone metabolite

Balint, Jozsef,Markovits, Imre,Egri, Gabriella,Tuza, Zsuzsanna,Parkanyi, Laszlo,Fogassy, Elemer

, p. 719 - 724 (2001)

1-(4′-Hydroxymethyl-phenyl)-2-methyl-3-(piperidine-1-yl)-propane-1-one M2, a metabolite of tolperisone, was synthesised in a solvent-free Mannich reaction. The optical resolution was carried out by diastereoisomeric salt formation and separation, for which three resolving agents ((2R,3R)-O,O′-dibenzoyl tartaric acid, (2R,3R)-O,O′-di-p-toluoyl tartaric acid and (R)-2-hydroxy-4-(2-methoxyphenyl)-5,5-dimethyl-1,3,2-dioxaphosphorinane-2- oxide (anicyphos)) were found. The absolute configuration of M2 was determined by the single-crystal X-ray diffraction method.

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