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193953-54-7

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193953-54-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 193953-54-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,9,5 and 3 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 193953-54:
(8*1)+(7*9)+(6*3)+(5*9)+(4*5)+(3*3)+(2*5)+(1*4)=177
177 % 10 = 7
So 193953-54-7 is a valid CAS Registry Number.

193953-54-7Relevant articles and documents

Diastereoselective Electrophilic Trifluoromethylthiolation of Chiral Oxazolidinones: Access to Enantiopure α-SCF3 Alcohols

Chachignon, Hélène,Kondrashov, Evgeniy V.,Cahard, Dominique

, p. 965 - 971 (2018/01/27)

Lithium imide enolates featuring Evans’ chiral oxazolidinone auxiliary were involved in diastereoselective α-trifluoromethylthiolation with electrophilic SCF3 donors. Diastereopure products were isolated and converted to enantiopure α-SCF3 alcohols without racemisation. (Figure presented.).

Asymmetric aldol route to hydroxyethylamine isostere: Stereoselective synthesis of the core unit of saquinavir

Ghosh, Arun K.,Hussain, Khaja Azhar,Fidanze, Steve

, p. 6080 - 6082 (2007/10/03)

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