WARNING: This product is for research use only, not for human or veterinary use.
Hodoodo CAT#: H585090
CAS#: 42438-88-0
Description: R 2956 is a steroid anti-androgen that stimulates cell growth.
Hodoodo Cat#: H585090
Name: R 2956
CAS#: 42438-88-0
Chemical Formula: C21H28O2
Exact Mass: 312.21
Molecular Weight: 312.453
Elemental Analysis: C, 80.73; H, 9.03; O, 10.24
This product is not in stock, which may be available by custom synthesis.
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Synonym: R 2956; R2956; R-2956
IUPAC/Chemical Name: Estra-4,9,11-trien-3-one, 17-hydroxy-2,2,17-trimethyl-, (8alpha,17beta)-
InChi Key: VFKZTCQVCJGPGF-OQRYQMPQSA-N
InChi Code: InChI=1S/C21H28O2/c1-19(2)12-16-13(11-18(19)22)5-6-15-14(16)7-9-20(3)17(15)8-10-21(20,4)23/h7,9,11,15,17,23H,5-6,8,10,12H2,1-4H3/t15-,17-,20-,21-/m0/s1
SMILES Code: C[C@@]12[C@@](C)(O)CC[C@@]1([H])[C@@]3([H])CCC4=CC(C(C)(C)CC4=C3C=C2)=O
Appearance: 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
Shelf Life: >3 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
More Info:
Biological target: | |
In vitro activity: | |
In vivo activity: |
The following data is based on the product molecular weight 312.45 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.
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 |
Formulation protocol: | |
In vitro protocol: | |
In vivo protocol: |
1: Ostgaard K, Wibe E, Eik-Nes KB. Steroid responsiveness of the human cell line NHIK 3025. Acta Endocrinol (Copenh). 1981 Aug;97(4):551-8. PubMed PMID: 7270009.
2: Brown TR, Rothwell SW, Sultan C, Migeon CJ. Inhibition of androgen binding in human foreskin fibroblasts by antiandrogens. Steroids. 1981 Jun;37(6):635-48. PubMed PMID: 6457421.
3: Takayasu S. Effect of antiandrogens on the binding of androgen to cytosol and nuclei of hamster sebaceous glands. Arch Dermatol Res. 1979 Feb 23;264(1):49-54. PubMed PMID: 443861.
4: Lakey WH, Bruchovsky N, Callaway T, Comeau T, Lieskovsky G, Rennie P, Shnitka T, Wilkin P. Androgen receptors in benign and malignant prostatic tissue. Trans Am Assoc Genitourin Surg. 1979;71:19-22. PubMed PMID: 94714.