Cas 159573-13-4,methyl-3,4-O-(2,2,2-trichlorethylidene)-α-D-altropyranoside

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Check Digit Verification of cas no

The CAS Registry Mumber 159573-13-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,5,7 and 3 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 159573-13:
(8*1)+(7*5)+(6*9)+(5*5)+(4*7)+(3*3)+(2*1)+(1*3)=164
164 % 10 = 4
So 159573-13-4 is a valid CAS Registry Number.

159573-13-4Upstream product

159493-47-7 Methyl 2-O-(Cyclohexylcarbamoyl)-3,4-O-(2,2,2-trichloroethylidene)-α-D-altropyranoside

159573-13-4Downstream Products

153226-59-6 Methyl-2,6-Di-O-benzoyl-3,4-O-(2,2,2-trichlorethyliden)-α-D-altropyranosylfluorid

159573-13-4Relevant academic research and scientific papers

Organofluorine compounds and fluorinating agents 12. From manno-pyranosides to 3,4-O-(2,2,2-trichloroethylidene)altropyranosyl fluorides in only two reaction steps

Miethchen,Dentsch

, p. 827 - 831 (2007/10/02)

Methyl α-D-mannopyranoside (1) and methyl α-L-rhamnopyranoside (9) react with chloral and dicyclohexylcarbodiimide (DCC) in a one-pot reaction selectively to form the α-D-altropyranoside 2 and α-L-altropyranoside 10, respectively, in good yield. The glyco

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