94119
Glycine
analytical standard, for nitrogen determination according to Kjeldahl method
Synonym(s):
2-Aminoacetic acid, Aminoacetic acid, Aminoethanoic acid, Glycocoll
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About This Item
Linear Formula:
NH2CH2COOH
CAS Number:
Molecular Weight:
75.07
NACRES:
NA.24
PubChem Substance ID:
eCl@ss:
32160406
UNSPSC Code:
12352209
EC Number:
200-272-2
MDL number:
Beilstein/REAXYS Number:
635782
grade
analytical standard
Quality Level
assay
≥99.0%
analyte chemical class(es)
amino acids, peptides, proteins
technique(s)
HPLC: suitable, gas chromatography (GC): suitable, titration: suitable
impurities
18.6%±0.2% total nitrogen acc. to Kjeldahl
loss
≤0.05% loss on drying
pKa (25 °C)
(1) 2.35, (2) 9.60, 2.35
mp
240 °C (dec.) (lit.)
solubility
1 M HCl: 75 mg/L, clear, colorless (2.252g in 30mL)
anion traces
chloride (Cl-): ≤50 mg/kg
cation traces
NH4+: ≤200 mg/kg
application(s)
food and beverages
format
neat
SMILES string
NCC(O)=O
InChI
1S/C2H5NO2/c3-1-2(4)5/h1,3H2,(H,4,5)
InChI key
DHMQDGOQFOQNFH-UHFFFAOYSA-N
General description
The glycine standard is produced under stringent conditions and measured with the highest possible precision.
Application
It can be used as an analytical standard to:
- Evaluate Kjeldahl′s procedure to determine total protein content of reference standards used in clinical laboratories.
- Analyze beer and wine for their protein and total usable nitrogen using a microwell ninhydrin assay.
- Compare Kjeldahl and Dumas methods for routine analysis of dairy products in an interlaboratory study.
- Simultaneously determine total phosphorus and total Kjeldahl nitrogen in surface water samples.
- Quantitatively determine nitrate in surface waters using Valdetrama method.
- Measure low level Kjeldahl nitrogen using an AutoAnalyzer.
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
Biochem/physiol Actions
Inhibitory neurotransmitter in spinal cord, allosteric regulator of NMDA receptors.
Features and Benefits
- Available in a neat format in a secure glass bottle to ensure its stability for the entire shelf life until opened.
- High-quality offering accurate titer determinations
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Storage Class
13 - Non Combustible Solids
wgk
WGK 1
ppe
Eyeshields, Gloves, type N95 (US)
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Structure of Glycine Dihyrate: Its Implications to Crystallization of Glycine from Solution and Modification of Glycine in Space
Hu.T.C, et al.
Acta Crystallographica Section A, Foundations of Crystallography, 73 (2017)
The Structure of Glycine Dihydrate: Implications for the Crystallization of Glycine from Solution and Its Structure in Outer Space
Xu W, et al.
Angewandte Chemie (Weinheim an der Bergstrasse, Germany), 129, 2062-2066 (2017)
Alexander Carvajal-González et al.
Brain : a journal of neurology, 137(Pt 8), 2178-2192 (2014-06-22)
The clinical associations of glycine receptor antibodies have not yet been described fully. We identified prospectively 52 antibody-positive patients and collated their clinical features, investigations and immunotherapy responses. Serum glycine receptor antibody endpoint titres ranged from 1:20 to 1:60 000.