1.04506
L-Hydroxyproline
for biochemistry
Synonym(s):
L-Hydroxyproline, L(-)-4-Hydroxypyrrolidine-2-carboxylic acid, Hyp
Sign Into View Organizational & Contract Pricing
All Photos(1)
About This Item
Empirical Formula (Hill Notation):
C5H9NO3
CAS Number:
Molecular Weight:
131.13
UNSPSC Code:
12352209
EC Index Number:
200-091-9
Recommended Products
Quality Level
form
solid
pH
5.5-6.5 (20 °C, 50 g/L in H2O)
mp
274 °C
solubility
500 g/L
bulk density
610 kg/m3
InChI
1S/C5H9NO3/c7-3-1-4(5(8)9)6-2-3/h3-4,6-7H,1-2H2,(H,8,9)
InChI key
PMMYEEVYMWASQN-UHFFFAOYSA-N
Analysis Note
Assay (perchloric acid titration, calculated on dried substance): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, crystalline powder or colorless crystals
Appearance of solution (100 g/l, water): clear and colorless
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): -47.5 to -46.0
Heavy metals (as Pb): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.01 %
Foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances(as Glycine): ≤ 0.1 %
Methanol (GC): ≤ 0.3 %
Loss on drying (105 °C; 3 h): ≤ 0.4 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, crystalline powder or colorless crystals
Appearance of solution (100 g/l, water): clear and colorless
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): -47.5 to -46.0
Heavy metals (as Pb): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.01 %
Foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances(as Glycine): ≤ 0.1 %
Methanol (GC): ≤ 0.3 %
Loss on drying (105 °C; 3 h): ≤ 0.4 %
Storage Class
11 - Combustible Solids
wgk_germany
WGK 1
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
Customers Also Viewed
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service