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77533-48-3

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77533-48-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77533-48-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,3 and 3 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77533-48:
(7*7)+(6*7)+(5*5)+(4*3)+(3*3)+(2*4)+(1*8)=153
153 % 10 = 3
So 77533-48-3 is a valid CAS Registry Number.

77533-48-3Relevant articles and documents

SYNTHESE DER L-GLYCERO-D-MANNO-HEPTOSE

Paulsen, Hans,Schueller, Matthias,Nashed, Mina A.,Heitmann, Axel,Redlich, Hartmut

, p. 3689 - 3692 (1985)

Chain extension of 2,3:5,6-di-O-isopropylidene-D-manno-furanose 2 with 2-lithio-1,3-dithiane gives stereoselectively a derivative of D-glycero-D-galacto-heptose 3.Conversion of the heptose 2 by reduction of the aldehydo function and oxidation of the 7-OH group yields the D-glycero-D-manno-heptose 18.

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