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CS-W001157 4
Total: USD 88.00

(S)-Leucic acid

  • CAS No. 13748-90-8

  • Cat. No. CS-0000169
  • Purity≥98%
  • MDL No.MFCD00064214
  • HazMat Fee +

    HazMat Fee

    An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it. There is a HazMat shipping fee for each item that qualifies as a dangerous good, except in the following scenarios:

    The shipment is processed through FedEx Ground under the Limited Quantity option.

    Each bottle is packed as an Excepted Quantity, with a maximum of 1g for items in class 6.1 packing group I or II, and up to 25g for all other hazardous materials.

    If shipping is charged to your FedEx account, the HazMat fee will be billed directly by the courier. Otherwise, the fee will be included on your invoice. To help you avoid the HazMat fee, we can package a 5g order of a class 6.1 packing group I or II material as five separate 1g units, and a 100g order of any other dangerous good as four 25g units. This packaging adjustment will be made unless you instruct otherwise on your purchase order. Below, you will find the fee schedule from FedEx for handling hazardous materials.

    Type
    HazMat Fee
    Excepted Quantity $0.00
    FedEx Limited Quantities Ground $0.00
    Hazmat Ground shipping $50.00+
    Inaccessible (Haz class 6.1 or 9), Domestic $68.00+
    Accessible (Haz class 3, 4, 5 or 8), Domestic $158.00+
    Inaccessible (Haz class 6.1 or 9), International $108.00+
    Accessible (Haz class 3, 4, 5 or 8), International $238.00+

    An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

    There is a HazMat shipping fee for each item that qualifies as a dangerous good. Please contact our quotation team via email to confirm the details.

*For research and further manufacturing use only, not for direct human use.

(S)-Leucic acid|CS-0000169

Structure of 13748-90-8

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Description

(S)-Leucic acid is a chiral α-amino acid derivative featuring a branched aliphatic side chain, offering high stereochemical purity for use in peptide synthesis and biochemical studies. This bench-stable, moisture-tolerant compound integrates readily into synthetic sequences requiring defined stereochemistry.

Application

(S)-Leucic acid serves as a chiral building block for the synthesis of bioactive peptides and pharmaceutical intermediates, offering high enantiomeric purity and stability under standard reaction conditions. Its well-defined stereochemistry enables reliable incorporation into complex molecular architectures, while its carboxylic acid functionality facilitates straightforward derivatization via esterification, amide coupling, or activation protocols. Functions reliably in solid-phase and solution-phase peptide synthesis workflows.

General Information

  • CAS No. 13748-90-8
  • Cat. No. CS-0000169
  • Purity ≥98%
  • MDL No. MFCD00064214
  • Storage 4°C
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₆H₁₂O₃
  • Molecular Weight 132.16
  • Synonym(s) (S)-2-Hydroxy-4-methylpentanoic acid
  • SMILES O=C(O)[C@@H](O)CC(C)C

Computational Chemistry Data

  • TPSA   57.53
  • LogP   0.478
  • H_Acceptors   2
  • H_Donors   2
  • Rotatable_Bonds   3

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS07
Signal Word : Warning
UN#: N/A
Class : N/A
Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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