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194861-77-3

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194861-77-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 194861-77-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,8,6 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 194861-77:
(8*1)+(7*9)+(6*4)+(5*8)+(4*6)+(3*1)+(2*7)+(1*7)=183
183 % 10 = 3
So 194861-77-3 is a valid CAS Registry Number.

194861-77-3Downstream Products

194861-77-3Relevant articles and documents

Stereocontrol in the addition of nucleophiles to an optically active aldehyde derived from L-serine, leading to a short-step synthesis of (2S,3S,4R)-phytosphingosine

Shimizu, Makoto,Wakioka, Ichiro,Fujisawa, Tamotsu

, p. 6027 - 6030 (1997)

The diastereoselective addition of dithianide to a chiral aldehyde derived from L-serine followed by hydrolysis of the dithiane moiety and the addition of dodecylacetylide gave diastereomerically pure aminotriol derivative which, upon hydrogenation and deprotection, afforded (2S,3S,4R)-phytosphingosine in good overall yield in enantiomerically pure form.

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