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HomeProduct name list6-Biopterin

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
6-Biopterin Structural

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)
ghs
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

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