WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 406463

CAS#: 38748-32-2

Description: Triptolide, also known as PG490, is a diterpenoid epoxide found in the Thunder God Vine, Tripterygium wilfordii, which has been used in traditional Chinese medicine for more than two thousand years to treat immune-related disorders. Triptolide is a promising immunosuppressive and anti-inflammatory agent. Triptolide is a also a potent anti-cancer agent against many cancer cell lines.

Price and Availability


USD 150
USD 650
USD 2950

USD 250
USD 950
USD 4850

USD 350
USD 1850
USD 7950

Triptolide, 98%, purity > 98%, is in stock. The same day shipping out after order is received. Delivery time: overnight (USA/Canada); 3-5 days (worldwide). Shipping fee: from $30.00 (USA); from $45.00 (Canada); from $70.00 (international). Note: the estimated shipping out time for order > 200mg may be 2 weeks.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 406463
Name: Triptolide
CAS#: 38748-32-2
Chemical Formula: C20H24O6
Exact Mass: 360.15729
Molecular Weight: 360.4
Elemental Analysis: C, 66.65; H, 6.71; O, 26.64

Synonym: PG490; PG-490; PG 490; NSC163062; NSC-163062; NSC 163062; Tripterygium wilfordii; Triptolide.

IUPAC/Chemical Name: (6aS,7aS,8R,8aR,9aS,9bS,10aS,10bS)-8-hydroxy-8a-isopropyl-10b-methyl-1,5,5b,6,6a,8,8a,9a,9b,10b-decahydrotris(oxireno)[2',3':4b,5;2'',3'':6,7;2''',3''':8a,9]phenanthro[1,2-c]furan-3(2H)-one.


InChi Code: InChI=1S/C20H24O6/c1-8(2)18-13(25-18)14-20(26-14)17(3)5-4-9-10(7-23-15(9)21)11(17)6-12-19(20,24-12)16(18)22/h8,11-14,16,22H,4-7H2,1-3H3/t11?,12-,13-,14-,16+,17-,18-,19+,20+/m0/s1

SMILES Code: O=C(OC1)C2=C1[C@@](C[C@H]3[C@]4(O3)[C@@]5(O6)[C@@H]6[C@H](O7)[C@@]7(C(C)C)[C@H]4O)([H])[C@]5(C)CC2

Technical Data

white solid powder

>98% (or refer to the Certificate of Analysis)

Certificate of Analysis:

Safety Data Sheet (MSDS):

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO, not in water

Shelf Life:
>2 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

Harmonized System Code:

Additional Information



1: Zheng Y, Zhang WJ, Wang XM. Triptolide with potential medicinal value for diseases of the central nervous system. CNS Neurosci Ther. 2013 Feb;19(2):76-82. doi: 10.1111/cns.12039. Epub 2012 Dec 18. Review. PubMed PMID: 23253124.

2: Tang W, Zuo JP. Immunosuppressant discovery from Tripterygium wilfordii Hook f: the novel triptolide analog (5R)-5-hydroxytriptolide (LLDT-8). Acta Pharmacol Sin. 2012 Sep;33(9):1112-8. doi: 10.1038/aps.2012.108. Epub 2012 Aug 27. Review. PubMed PMID: 22922344.

3: Han R, Rostami-Yazdi M, Gerdes S, Mrowietz U. Triptolide in the treatment of psoriasis and other immune-mediated inflammatory diseases. Br J Clin Pharmacol. 2012 Sep;74(3):424-36. doi: 10.1111/j.1365-2125.2012.04221.x. Review. PubMed PMID: 22348323; PubMed Central PMCID: PMC3477344.

4: Zhou ZL, Yang YX, Ding J, Li YC, Miao ZH. Triptolide: structural modifications, structure-activity relationships, bioactivities, clinical development and mechanisms. Nat Prod Rep. 2012 Apr;29(4):457-75. doi: 10.1039/c2np00088a. Epub 2012 Jan 23. Review. PubMed PMID: 22270059.

5: Liu Q. Triptolide and its expanding multiple pharmacological functions. Int Immunopharmacol. 2011 Mar;11(3):377-83. doi: 10.1016/j.intimp.2011.01.012. Epub 2011 Jan 19. Review. PubMed PMID: 21255694.

6: Pan J. RNA polymerase - an important molecular target of triptolide in cancer cells. Cancer Lett. 2010 Jun 28;292(2):149-52. doi: 10.1016/j.canlet.2009.11.018. Epub 2010 Jan 4. Review. PubMed PMID: 20045594.

7: Qiu D, Kao PN. Immunosuppressive and anti-inflammatory mechanisms of triptolide, the principal active diterpenoid from the Chinese medicinal herb Tripterygium wilfordii Hook. f. Drugs R D. 2003;4(1):1-18. Review. PubMed PMID: 12568630.

8: Chen BJ. Triptolide, a novel immunosuppressive and anti-inflammatory agent purified from a Chinese herb Tripterygium wilfordii Hook F. Leuk Lymphoma. 2001 Jul;42(3):253-65. Review. PubMed PMID: 11699390.