Estradiol valerate

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

MedKoo CAT#: 314221

CAS#: 979-32-8

Description: Estradiol valerate is a synthetic ester, specifically the 17-pentanoyl ester, of the natural estrogen, 17β-estradiol. It was introduced in the 1950s, and along with estradiol benzoate and estradiol cypionate, has since become one of the most widely used esters of estradiol. (Source:

Chemical Structure

Estradiol valerate
CAS# 979-32-8

Theoretical Analysis

MedKoo Cat#: 314221
Name: Estradiol valerate
CAS#: 979-32-8
Chemical Formula: C23H32O3
Exact Mass: 356.23514
Molecular Weight: 356.5
Elemental Analysis: C, 77.49; H, 9.05; O, 13.46

Price and Availability

Size Price Availability Quantity
100.0mg USD 180.0 2 weeks
200.0mg USD 210.0 2 weeks
500.0mg USD 250.0 2 weeks
1.0g USD 320.0 2 weeks
2.0g USD 380.0 2 weeks
5.0g USD 450.0 2 weeks
10.0g USD 550.0 2 weeks
20.0g USD 650.0 2 weeks
50.0g USD 850.0 2 weeks
Click to view more sizes and prices
Bulk inquiry

Synonym: Altadiol; Deladiol; Delestrogen; Estraval; Progynova; Valergen; oestradiol valerate; 17Estradiol17valerate pentanoate destra135(10)trine3ol17yle

IUPAC/Chemical Name: (17β)-3-hydroxyestra-1,3,5(10)-trien-17-yl valerate


InChi Code: InChI=1S/C23H32O3/c1-3-4-5-22(25)26-21-11-10-20-19-8-6-15-14-16(24)7-9-17(15)18(19)12-13-23(20,21)2/h7,9,14,18-21,24H,3-6,8,10-13H2,1-2H3/t18-,19-,20+,21+,23+/m1/s1

SMILES Code: CCCCC(O[C@H]1CC[C@@]2([H])[C@]3([H])CCC4=C(C=CC(O)=C4)[C@@]3([H])CC[C@]12C)=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: >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 356.5 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

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.

*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

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Dilution Calculator

Calculate the dilution required to prepare a stock solution.