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 Segment
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
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