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42891-22-5, Beta-D-Thiogalactose sodium salt, CAS:42891-22-5

42891-22-5, Beta-D-Thiogalactose sodium salt,
CAS:42891-22-5
C6H11NaO5S / 218.2
MFCD00064091

b-D-Thiogalactose sodium salt

1-硫代-beta-D-半乳糖钠盐,

β-D-Thiogalactose sodium (DTGS) is a radiometric technique that evaluates the profiles of gases by measuring their molecular weights. DTGS is used to measure gas concentrations in the atmosphere, which are transferred to positions on a map. The DTGS technique is validated and calibrated by comparing its measurements with those of other techniques, such as infrared spectroscopy. It can be used to evaluate water vapor and other gases in the atmosphere. This technique has been shown to have accurate results at temperatures ranging from −5°C up to 100°C and at frequencies from 1 Hz up to 10 MHz.

CAS Number42891-22-5
Product NameSodium (2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-thiolate
IUPAC Namesodium;(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxane-2-thiolate
Molecular FormulaC6H11NaO5S
Molecular Weight218.199
InChIInChI=1S/C6H12O5S.Na/c7-1-2-3(8)4(9)5(10)6(12)11-2;/h2-10,12H,1H2;/q;+1/p-1/t2-,3+,4+,5-,6+;/m1./s1
InChI KeyVKPBZIVFRYLHPT-QEQWBAOXSA-M
SMILESC(C1C(C(C(C(O1)[S-])O)O)O)O.[Na+]
Synonyms1-Τhio-β-D-galactopyranose Μonosodium Salt; (β-D-Galactopyranosylthio)sodium;
CAS No: 42891-22-5 MDL No: MFCD00064091 Chemical Formula: C6H11NaO5S Molecular Weight: 218.2

COA:

Product name: Beta-D-Thiogalactose sodium salt

M.F.: C6H11NaO5S   M.W.218.2    CAS: 42891-22-5   Batch No: 20120517      Quantity: 23g

Items

Standards

Results

Appearance

White to slightly beige powder

Complies

Solubility

Easily soluble in water, insoluble in CHCl3

Complies

NMR and MS

Should comply

Complies

Identification

IR and HPLC

Complies

Heavy metal

Max.50ppm

Complies

TLC

Should be one spot

One spot


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