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94119

Glycine

analytical standard, for nitrogen determination according to Kjeldahl method

Synonyme(s) :

Acide aminoacétique, Acide aminoéthanoïque, Glycocolle

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A propos de cet article

Formule linéaire :
NH2CH2COOH
Numéro CAS:
56-40-6
Poids moléculaire :
75.07
NACRES:
NA.24
PubChem Substance ID:
329770301
eCl@ss:
32160406
UNSPSC Code:
12352209
EC Number:
200-272-2
MDL number:
MFCD00008131
Beilstein/REAXYS Number:
635782
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grade

analytical standard

Quality Level

100

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

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
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.

Biochem/physiol Actions

Neurotransmetteur inhibiteur de la moelle épinière, régulateur allostérique des récepteurs du NMDA.

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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Classe de stockage

13 - Non Combustible Solids

wgk

WGK 1

ppe

Eyeshields, Gloves, type N95 (US)

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Certificats d'analyse (COA)

Lot/Batch Number

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Consulter la Bibliothèque de documents

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)
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)
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.
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Numéro d'article de commerce international

RéférenceGTIN
94119-10G04061833289211