A negatively charged phospholipid
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1,2-Distearoyl-sn-glycero-3-PA (sodium salt)

Item No. 15083

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
1,2-distearoyl-sn-glycero-3-phosphate, monosodium salt
CAS Number
108321-18-2
Synonyms
  • 1,2-Distearoyl-sn-glycero-3-phosphate
  • 1,2-Distearoyl-sn-glycero-3-phosphatidic Acid
  • 1,2-DSPA
  • 18:0/18:0-PA
  • PA (18:0/18:0)
Molecular Formula
C39H76O8P • Na
Formula Weight
727.0
Purity
≥98%
Formulation (Request formulation change)
A crystalline solid
Solubility(Learn about Variance in Solubility)
Chloroform: 1.6 mg/ml
SMILES
O=C(CCCCCCCCCCCCCCCCC)OC[C@@H](OC(CCCCCCCCCCCCCCCCC)=O)COP([O-])(O)=O.[Na+]
InChi Code
InChI=1S/C39H77O8P.Na/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-33-38(40)45-35-37(36-46-48(42,43)44)47-39(41)34-32-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2;/h37H,3-36H2,1-2H3,(H2,42,43,44);/q;+1/p-1/t37-;/m1./s1
InChi Key
ALPWRKFXEOAUDR-GKEJWYBXSA-M
Side Chain Carbon Sum
36:0
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    100 mg

    $53

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    250 mg

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    500 mg

    $194

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    Cayman Chemical
    Learn More About Leveraging Helper Lipids to Achieve Versatile LNPs
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    Product Description

    1,2-Distearoyl-sn-glycero-3-PA(sodium salt) is a phospholipid containing a phosphatidic acid head group and 18:0 fatty acids at the sn-1 and sn-2 positions of the glycerol backbone. This negatively charged phospholipid has been used to study the dynamics of model lipid bilayers.1,2

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Li, S., Stein, A.J., Kruger, A., et al. Head groups of lipids govern the interaction and orientation between graphene oxide and lipids. J. Phys. Chem. C 117(31), 16150-16158 (2013).

    2. Bhagat, M., and Sofou, S. Membrane heterogeneities and fusogenicity in phosphatidylcholine-phosphatidic acid rigid vesicles as a function of pH and lipid chain mismatch. Langmuir 26(3), 1666-1673 (2010).