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.

Chemical Structure

CAS# 38748-32-2

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

Price and Availability

Size Price Availability Quantity
10.0mg USD 150.0 Same day
25.0mg USD 250.0 Same day
50.0mg USD 450.0 Same day
100.0mg USD 750.0 Same day
200.0mg USD 1050.0 Same day
500.0mg USD 2250.0 2 weeks
1.0g USD 3450.0 2 weeks
2.0g USD 6450.0 2 weeks
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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

Appearance: white solid powder

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

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).

Solubility: 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).

HS Tariff Code: 2934.99.9001

Preparing Stock Solutions

The following data is based on the product molecular weight 360.4 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

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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.


Additional Information