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158955-58-9

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158955-58-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158955-58-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,9,5 and 5 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 158955-58:
(8*1)+(7*5)+(6*8)+(5*9)+(4*5)+(3*5)+(2*5)+(1*8)=189
189 % 10 = 9
So 158955-58-9 is a valid CAS Registry Number.

158955-58-9Downstream Products

158955-58-9Relevant articles and documents

Fluorinated analogues of nojirimycin and mannojirimycin from a non-carbohydrate precursor

Arnone, Alberto,Bravo, Pierfrancesco,Donadelli, Alessandro,Resnati, Giuseppe

, p. 131 - 142 (2007/10/02)

1,3,5-Trideoxy-3-fluoronojirimycin 3a and its 5-epi isomer 3b have been synthesized in enantiomerically pure form starting from the fluorohydroxysulfinylhexene (2R,3S,SS)-6. The nitrogen atom of the target bioactive compounds is introduced by replacing the sulfinyl group with an hydroxylamine residue and an intramolecular aminomercuration reaction builds up the desired piperidine ring. Finally, an oxidative demercuration affords the hydroxymethyl moiety. The same synthetic sequence allows to obtain 1,3,5-trideoxy-3-fluoromannojirimycin 4a and its 5-epi isomer 4b starting from the benzyloxy-fluorosulfinylhexene (2S,3S,RS)-7. Copyright

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