6-Biopterin
Synonym(s):(1’R,2’S)-Biopterin;L -erythro-6-(1,2-Dihydroxypropyl)pterin;2-Amino-4-hydroxy-6-(1,2-dihydroxypropyl)pteridine
- CAS NO.:22150-76-1
- Empirical Formula: C9H11N5O3
- Molecular Weight: 237.22
- MDL number: MFCD00036787
- EINECS: 244-807-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-19 23:02:33
What is 6-Biopterin?
Description
6-Biopterin (L-Biopterin) is the oxidized form of tetrahydro-L-biopterin (BH4), a nitric oxide synthase (NOS) cofactor. L-Biopterin can be reduced to BH4 via thioredoxin reductase followed by dihydropteridine reductase or reduced glutathione. It is extremely toxic to human melanocytes in culture (IC50 = 0.2 μM after 48 hrs). L-Biopterin is rarely found under physiological conditions except in the epidermis of patients with the depigmentation disorder Vitiligo.
Chemical properties
Crystalline Solid
The Uses of 6-Biopterin
L-Biopterin is a pteridine widely distributed in nature; naturally occurring as the L-erythro-form. Considered as a growth factor for some insects. Fluoresces with a blue color in alkaline solution.
What are the applications of Application
L-Biopterin is a cofactor in the production of many neurotransmitters and nitric oxide
Definition
6-Biopterin is an enzymatic cofactor derived from pterin and involved in certain oxidation-reduction reactions. It is a biopterin in which the 1,2-dihydroxypropyl group has (1R,2S)-configuration; naturally occurring form. It is an enantiomer of a D-erythro-biopterin.
What are the applications of Application
6-Biopterin is an oxidation product from the melanogenesis regulating cofactor (6R)5,6,7,8 tetrahydrobiopterin (6-BH4). In vitro, 6-Biopterin is cytotoxic to melanocytes. However, in vivo, 6-Biopterin is rapidly and sequentially reduced back to 6-GH4 via q-BH2. Recent studies suggest that 6-Biopterin among other pteridines may be a useful non-invasive biomarker for cancer.
Preparation
Biopterin is synthesized by reacting 2,4,5-triamino-6-hydroxypyrimidine with 5-deoxy-L-arabinosone in aqueous solution at pH of about 7.5 to 10, acidifying and then recrystallizing by dissolving in basic solution and precipitating with acid. 5-deoxy-L-arabinosone is prepared by oxidizing S-deoxy-L-arabinose, which is prepared from L-rhamnose, using cupric acetate.
Process for the synthesis of biopterin
Safety Profile
Moderately toxic by ingestion andintraperitoneal routes. Mutation data reported. Whenheated to decomposition it emits toxic vapors of NOx.
Properties of 6-Biopterin
Melting point: | >210°C dec. |
Boiling point: | 379.74°C (rough estimate) |
alpha | D24 -50° (c = 0.4 in 0.1N HCl); D24 -26° (c = 0.92 in 0.1N NaOH) |
Density | 1.3472 (rough estimate) |
refractive index | 1.7610 (estimate) |
storage temp. | 2-8°C |
solubility | Aqueous Acid (Slightly, Heated, Sonicated) |
form | White to pale yellow powder. |
pka | 13.18±0.20(Predicted) |
color | White to Light Yellow |
Merck | 13,1229 |
BRN | 87860 |
Stability: | Hygroscopic |
CAS DataBase Reference | 22150-76-1(CAS DataBase Reference) |
Safety information for 6-Biopterin
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 6-Biopterin
Abamectin manufacturer
BDR Pharmaceuticals International Pvt Ltd
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