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216697-27-7

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216697-27-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 216697-27-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,6,6,9 and 7 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 216697-27:
(8*2)+(7*1)+(6*6)+(5*6)+(4*9)+(3*7)+(2*2)+(1*7)=157
157 % 10 = 7
So 216697-27-7 is a valid CAS Registry Number.

216697-27-7Downstream Products

216697-27-7Relevant articles and documents

Facile and efficient synthesis of chiral sulfoxide esters: Versatile tool in asymmetric synthesis

Nagpal, Reshma,Bhalla, Aman,Bhalla, Jitender,Bari, Shamsher S.,Thapar, Renu

, p. 279 - 285 (2019)

Facile and efficient synthesis of sulfoxide esters using menthols as chiral auxiliary is described. Phenylthio/benzylthio/naphthylthioacetic esters act as an efficient substrate for chiral sulfoxides via oxidation in one step. The structural and stereochemical aspects of target product were established on the basis of various spectroscopic studies, namely FT-IR, NMR (1H NMR and 13C NMR) and elemental analysis. This method is simple, fast, convenient and very efficient.

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