Product Description

YK11 SARMs Powder Strength Gains Supplements

YK11 Chemical data

Chemical Name:(17a,20E)-17,20-[(1-Methoxyethylidene)bis(oxy)]-3-oxo-19-norpregna- 4,20-diene-21-carboxylic Acid Methyl Ester.
CAS: 431579-34-9 or 1370003-76-1
Molecular formula: C25H34O6C25H34O6
Molecular weight: 430.54

YK11 Raw Powder Specification Data:

Product Name YK11
CAS No. 431579-34-9 Packing 1KG
Production date 2015-11-01 Shelf life 2017-10-30
Standard adopted Enterprise Standard
Items of analysis Specification Results
Appearance White to off white powder Conforms
Identification IR, HPLC - Should comply Conforms
LS-MS Confirms to MW Conforms
Assay (HPLC) ?99.0 % 99.21%
Conclusion Qualified
Description of SARMs YK11

YK-11 is a synthetic, steroidal selective androgen receptor modulator (SARM). It is a gene-selective partial agonist of the androgen receptor (AR) and does not induce the physical interaction between the NTD/AF1 and LBD/AF2 (known as the N/C interaction), which is required for full transactivation of the AR. The drug has anabolic activity in vitro in C2C12 myoblasts and shows greater potency than dihydrotestosterone (DHT) in this regard.

SARMS or selective androgen receptor modulators are well-known for giving the same muscle growth results as anabolic steroids but without the negative side effects that comes with the latter. Japanese scientists are doing an experiment on a new SARM known as YK11 which is said to be the strongest amongst all, even more potent than classic steroids such as DHT. YK11 is believed to be a SARM and produce the effect of myostatin at the same time.

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