CAS No.70-26-8,L-Ornithine Suppliers

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Basic Information

Molecular Structure:
CAS No.:	70-26-8
Name:	L-Ornithine
Article Data:	149

Formula:	C₅H₁₂N₂O₂
Molecular Weight:	132.162
Synonyms:	Ornithine,L- (8CI);(+)-S-Ornithine;(S)-2,5-Diaminopentanoic acid;(S)-Ornithine;(S)-a,d-Diaminovaleric acid;L-(-)-Ornithine;L-Norvaline,5-amino-;Ornithine;Pentanoic acid, 2,5-diamino-, (S)-;
EINECS:	200-731-7
Density:	1.165 g/cm³
Melting Point:	140 °C
Boiling Point:	308.718 °C at 760 mmHg
Flash Point:	140.508 °C
Solubility:	soluble in water and ethanol, slightly soluble in diethyl ether
Hazard Symbols:	T,N
Risk Codes:	R23/25; R33; R50/53
PSA:	89.34000
LogP:	0.53780

Synthetic route

: 126175-52-8
cyclo(-Orn(Boc)-L-Ala-)

: 70-26-8
L-ornithine

Conditions

Conditions	Yield
With hydrogenchloride at 110℃; for 24h;	62%

: 3184-13-2
L-ornithine hydrochloride

: 70-26-8
L-ornithine

Conditions

Conditions	Yield
With calcium hydroxide In ethanol at 50℃; for 1.5h; Product distribution / selectivity;	43.95%
With acidic ion exchange resin (Marason C, H-type) In water Product distribution / selectivity;

: 50-99-7, 59-23-4, 921-60-8, 1949-88-8, 1990-29-0, 2152-76-3, 2595-97-3, 2595-98-4, 3458-28-4, 4205-23-6, 5934-56-5, 5978-95-0, 5987-68-8, 6027-89-0, 6038-51-3, 7635-11-2, 10030-80-5, 15572-79-9, 19163-87-2, 23567-25-1, 26566-61-0, 30077-17-9, 31103-86-3, 39665-52-6, 40866-07-7, 58367-01-4, 58407-05-9, 58407-06-0, 83198-69-0, 83198-70-3, 83198-71-4, 93780-23-5, 145920-48-5
glucose

: 70-26-8
L-ornithine

Conditions

Conditions	Yield
mit Hilfe von Mutanten von Micrococcus glutamicus;

: 157-06-2
D-arginine

A: 70-26-8
L-ornithine

B: 57-13-6
urea

Conditions

Conditions	Yield
bei der Einw. von Leberpresssaft;
With barium dihydroxide
With arginase

: 74-79-3
L-arginine

: 70-26-8
L-ornithine

Conditions

Conditions	Yield
With mammal liver
With barium dihydroxide
With urease; arginase

: 19595-40-5
N2-(toluene-4-sulfonyl)-L-ornithine

: 70-26-8
L-ornithine

Conditions

Conditions	Yield
With hydrogen bromide; acetic acid

: 42533-20-0
N-(toluene-4-sulfonyl)-L-glutamic acid-5-nitrile

: 70-26-8
L-ornithine

Conditions

Conditions	Yield
With methanol; ammonia; sodium
Multi-step reaction with 2 steps 1: platinum; acetic acid; aqueous HCl / Hydrogenation 2: HBr; acetic acid View Scheme

: 57-50-1
Sucrose

: 70-26-8
L-ornithine

Conditions

Conditions	Yield
mit Hilfe von Mutanten von Micrococcus glutamicus;

: (S)-2-Amino-5-[N'-((S)-2-amino-3-methyl-butyryl)-guanidino]-pentanoic acid; compound with oxalic acid

: 70-26-8
L-ornithine

Conditions

Conditions	Yield
With ammonium hydroxide

: 56-87-1
L-lysine

A: 56-41-7
L-alanin

B: 70-26-8
L-ornithine

C: 56-84-8
L-Aspartic acid

D: 56-40-6
glycine

Conditions

Conditions	Yield
With ammonium sulfate In water for 40h; Irradiation; Yield given. Further byproducts given. Yields of byproduct given;

...Expand

Raw Materials

3304-51-6

34582-33-7

372-75-8

74-79-3

18928-01-3

56-87-1

57-50-1

56-40-6

Downstream Products

110-60-1

660-88-8

609-36-9

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Consensus Reports

Reported in EPA TSCA Inventory.

Specification

The L-Ornithine, with the CAS registry number 70-26-8, is also known as (S)-2,5-Diaminopentanoic acid. It belongs to the product categories of Amino Acids; Nutritional Supplements. Its EINECS number is 200-731-7. This chemical's molecular formula is C₅H₁₂N₂O₂and molecular weight is 132.16. What's more, its systematic name is L-L-Ornithine. Its classification code is Mutation data. L-Ornithine is an amino acid that plays a role in the urea cycle. It is abnormally accumulated in the body in L-Ornithine transcarbamylase deficiency.

Physical properties of L-Ornithine are: (1)ACD/LogP: -0.874; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -4.37; (4)ACD/LogD (pH 7.4): -4.28; (5)ACD/BCF (pH 5.5): 1.00; (6)ACD/BCF (pH 7.4): 1.00; (7)ACD/KOC (pH 5.5): 1.00; (8)ACD/KOC (pH 7.4): 1.00; (9)#H bond acceptors: 4; (10)#H bond donors: 5; (11)#Freely Rotating Bonds: 6; (12)Polar Surface Area: 89.34 Å²; (13)Index of Refraction: 1.508; (14)Molar Refractivity: 33.807 cm³; (15)Molar Volume: 113.426 cm³; (16)Polarizability: 13.402×10^-24cm³; (17)Surface Tension: 54.6 dyne/cm; (18)Density: 1.165 g/cm³; (19)Flash Point: 140.508 °C; (20)Enthalpy of Vaporization: 60.423 kJ/mol; (21)Boiling Point: 308.718 °C at 760 mmHg; (22)Vapour Pressure: 0 mmHg at 25°C.

Preparation of L-Ornithine: this chemical can be prepared by cyclo(-Orn(Boc)-L-Ala-) at the temperature of 110 °C. This reaction will need reagent 6M HCl with the reaction time of 24 hours. The yield is about 62%.

L-Ornithine can be prepared by cyclo(-Orn(Boc)-L-Ala-) at the temperature of 110 °C

Uses of L-Ornithine: it can be used to produce N,N-bis(methoxycarbonyl)-L-L-Ornithine at the temperature of 20 °C. It will need reagent aq. NaHCO₃ and solvent tetrahydrofuran. The yield is about 86%.

L-Ornithine can be used to produce N,N-bis(methoxycarbonyl)-L-L-Ornithine at the temperature of 20 °C

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)[C@@H](N)CCCN
(2)Std. InChI: InChI=1S/C5H12N2O2/c6-3-1-2-4(7)5(8)9/h4H,1-3,6-7H2,(H,8,9)/t4-/m0/s1
(3)Std. InChIKey: AHLPHDHHMVZTML-BYPYZUCNSA-N