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

MedKoo CAT#: 341099

CAS#: 13027-33-3

Description: Yakkasterone is a major metabolite of cholesterol formed during exposure of lung epithelial cells to ozone.

Chemical Structure

CAS# 13027-33-3

Theoretical Analysis

MedKoo Cat#: 341099
Name: Yakkasterone
CAS#: 13027-33-3
Chemical Formula: C27H46O3
Exact Mass: 418.3447
Molecular Weight: 418.662
Elemental Analysis: C, 77.46; H, 11.08; O, 11.46

Size Price Shipping out time Quantity
1mg USD 190 2 Weeks
10mg USD 680 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2021-03-05. Prices are subject to change without notice.

purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and MSDS documents are available in one week after order is received.

Synonym: Yakkasterone; YS 64.

IUPAC/Chemical Name: Cholestan-6-one, 3,5-dihydroxy-, (3beta,5alpha)-


InChi Code: InChI=1S/C27H46O3/c1-17(2)7-6-8-18(3)21-9-10-22-20-15-24(29)27(30)16-19(28)11-14-26(27,5)23(20)12-13-25(21,22)4/h17-23,28,30H,6-16H2,1-5H3/t18-,19+,20+,21+,22+,23-,25-,26+,27+/m1/s1

SMILES Code: C1[C@@H](C[C@@]2(C(C[C@H]3[C@@H]4CC[C@@H]([C@@H](CCCC(C)C)C)[C@@]4(C)CC[C@H]3[C@@]2(C1)C)=O)O)O

Solid powder

>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).

Soluble in DMSO

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:

Handling Instructions:

Preparing Stock Solutions

The following data is based on the product molecular weight 418.662 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.

Select a batch to recalculate based on the batch molecular weight:
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

Molarity Calculator

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*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

Reconstitution Calculator

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Dilution Calculator

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1: Yamaguchi M, Endo Y, Shimizu M, Yamamoto K, Yamada S, Shudo K. 3 beta,5 alpha-Dihydroxycholestan-6-one exists in human blood. Biol Pharm Bull. 1997 Sep;20(9):1044-6. PubMed PMID: 9331996.

2: Matsushima Y, Fukasawa H, Endo Y, Hashimoto Y, Shudo K. Enhancement of human papillomavirus type 18 gene expression in HeLa cells by 12-O-tetradecanoylphorbol-13-acetate, 3 beta,5 alpha-dihydroxycholestan-6-one, and cholesterol. Biol Pharm Bull. 1994 Sep;17(9):1292-5. PubMed PMID: 7841956.

3: Endo Y, Hashimoto Y, Fukasawa H, Shudo K. Oxygenated cholesterols as ligands for cytosolic-nuclear tumor promoter binding protein: yakkasteroids. Biochem Biophys Res Commun. 1993 Aug 16;194(3):1529-35. PubMed PMID: 8352811.