L-tert-Leucine CAS 20859-02-3
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L-tert-Leucine CAS 20859-02-3

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L-tert-Leucine (chemical formula: C6H13NO2, CAS number: 20859-02-3), also known as L-2-amino-3,3-dimethylbutyric acid. It appears as a white powder, with a melting point of ≥ 300℃, and a water solubility of 125.5 g/L at 20℃. It should be stored in a cool, dry, and sealed environment. This substance can also be used as a component of food nutrition fortifiers.
  • 20859-02-3

  • futurechemical

  • 20859-02-3

L-tert-Leucine Basic information

Description References

Product Name:

L-tert-Leucine

CAS:

20859-02-3

MF:

C6H13NO2

MW:

131.17

EINECS:

424-750-7

Mol File:

20859-02-3.mol

L-tert-Leucine Chemical Properties

Melting point

≥300 °C (lit.)

alpha

6.3 º (c=4, 6 N HCl 200 ºC)

Boiling point

217.7±23.0 °C(Predicted)

density

1.1720 (estimate)

refractive index

-9 ° (C=3, H2O)

storage temp.

Keep in dark place,Sealed in dry,Room Temperature

solubility

1 M HCl: 50 mg/mL

pka

2.39±0.12(Predicted)

form

powder

color

White to almost white

Optical Rotation

[α]20/D 9.5°, c = 3 in H2O

Water Solubility

125.5 g/L (20 ºC)

BRN

1721824

Major Application

peptide synthesis

InChI

1S/C6H13NO2/c1-6(2,3)4(7)5(8)9/h4H,7H2,1-3H3,(H,8,9)/t4-/m1/s1

InChIKey

NPDBDJFLKKQMCM-SCSAIBSYSA-N

SMILES

CC(C)(C)[C@H](N)C(O)=O

CAS DataBase Reference

20859-02-3(CAS DataBase Reference)

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Our Advantages

  • Specifications & technical advantages: 
    Higher main content and lower impurity levels; batch-to-batch stability; better solubility, particle size, and flowability, facilitating downstream processes.​​​​​​​
  • Quality system advantages: 
    Certification list - ISO 9001, REACH registration number, FDA, Kosher, Halal; each batch comes with a COA, supporting third-party testing (SGS, etc.); full traceability.​​​​​​​
  • Supply chain advantages: 
    Own factory/integrated production; annual production capacity is at full capacity, with plans to expand production; some stock is available for immediate delivery; delivery time is clear.
Transportation
1
Packaging & Loading
25 kg bags with inner PE liner, 40 bags per pallet (1 MT),  shrink-wrapped and fumigation-free; 20 MT per 20' FCL, 28 MT per 40' HQ.
2
Shipping
Sea freight is recommended for bulk orders (30–40 days to Europe/US); samples ship via DHL/FedEx within 3–7 days.  Available terms: FOB Qingdao / CIF / DDP.
3
Dangerous goods
Classified as UN, Class, Packing Group; we provide full DG documentation and comply with IMDG for all ocean shipments.
4
Documents
Commercial invoice, packing list, bill of lading, COA, SDS, and certificate of origin are included with every shipment.
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