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Selective Modulators

Technical documentation, pharmacological reviews, and analytical monographs classified under Selective Modulators. Research use only. Not for human use. Page 2 of 2.

3D molecular model of MK-777 (Acetamoren)

MK-777 (Acetamoren)

Selective Modulators · October 7, 2026

MK-777 (Acetamoren, CAS 950841-87-9) is an acetylated derivative of ibutamoren (MK-677), a GHS-R1a agonist. No published pharmacology exists for the derivative itself. Supplied as ...

PLATE · KC-MK7SELECTIVE MODULATORS
MK-777 (Acetamoren)
CAS
950841-87-9
Formula
C29H38N4O6S
Mol. Wt.
570.7 g/mol
COA ARCHIVE2 batches · 6 reports
3D molecular model of OTR-AC

OTR-AC

Selective Modulators · October 7, 2026

OTR-AC (CAS 1025658-44-9) is an arylpropionamide ester derivative of ostarine. No published pharmacology exists for the ester itself — no binding, PK or hydrolysis data. Supplied a...

PLATE · KC-OTRSELECTIVE MODULATORS
OTR-AC
CAS
1025658-44-9
Formula
C21H16F3N3O4
Mol. Wt.
431.37 g/mol
COA ARCHIVE1 batch · 2 reports
3D molecular model of RAD-140 (Testolone)

RAD-140 (Testolone)

Selective Modulators · October 7, 2026

RAD-140 (vosilasarm / testolone, CAS 1182367-47-0) is a non-steroidal selective androgen receptor modulator on a benzonitrile / 1,3,4-oxadiazole scaffold, supplied as a reference s...

PLATE · KC-RA4SELECTIVE MODULATORS
RAD-140 (Testolone)
CAS
1182367-47-0
Formula
C20H16ClN5O2
Mol. Wt.
393.8 g/mol
COA ARCHIVE3 batches · 6 reports
3D molecular model of RAD-150 (TLB-150)

RAD-150 (TLB-150)

Selective Modulators · October 7, 2026

RAD-150 (TLB-150, CAS 1208070-53-4) is a benzoate ester derivative of RAD-140. No published pharmacology exists for the ester itself — no binding, PK or hydrolysis data. Supplied a...

PLATE · KC-RA5SELECTIVE MODULATORS
RAD-150 (TLB-150)
CAS
1208070-53-4
Formula
C27H20ClN5O3
Mol. Wt.
497.94 g/mol
COA ARCHIVE3 batches · 4 reports
3D molecular model of S-23

S-23

Selective Modulators · October 7, 2026

S-23 (CAS 1010396-29-8) is an arylpropionamide SARM reference standard, characterised as a full AR agonist with Ki 1.7 nM and a roughly fivefold ED50 separation between prostate an...

PLATE · KC-S23SELECTIVE MODULATORS
S-23
CAS
1010396-29-8
Formula
C18H13ClF4N2O3
Mol. Wt.
416.8 g/mol
COA ARCHIVE1 batch · 2 reports
3D molecular model of S-4 (Andarine)

S-4 (Andarine)

Selective Modulators · October 7, 2026

S-4 (andarine, CAS 401900-40-1) is an arylpropionamide SARM reference standard with well-characterised rat pharmacokinetics and defined metabolic routes. Material from uncontrolled...

PLATE · KC-S4SELECTIVE MODULATORS
S-4 (Andarine)
CAS
401900-40-1
Formula
C19H18F3N3O6
Mol. Wt.
441.4 g/mol
COA ARCHIVE2 batches · 3 reports
3D molecular model of SR-9009 (Stenabolic)

SR-9009 (Stenabolic)

Selective Modulators · October 7, 2026

SR-9009 (stenabolic, CAS 1379686-30-2) is a synthetic REV-ERB ligand reference standard for circadian and metabolic gene expression research. Documented to act in cells lacking bot...

PLATE · KC-SR9NUCLEAR RECEPTOR LIGANDS
SR-9009 (Stenabolic)
CAS
1379686-30-2
Formula
C20H24ClN3O4S
Mol. Wt.
437.9 g/mol
COA ARCHIVE1 batch · 3 reports
3D molecular model of SR-9011

SR-9011

Selective Modulators · October 7, 2026

SR-9011 (CAS 1379686-29-9) is a synthetic REV-ERB ligand reference standard for circadian and metabolic gene expression research. Its close analogue SR-9009 is documented to act in...

PLATE · KC-SR1NUCLEAR RECEPTOR LIGANDS
SR-9011
CAS
1379686-29-9
Formula
C23H31ClN4O3S
Mol. Wt.
479.0 g/mol
COA ARCHIVE1 batch · 1 report
3D molecular model of YK-11 (Myostine)

YK-11 (Myostine)

Selective Modulators · October 7, 2026

YK-11 (CAS 1370003-76-1) is a steroidal 19-norpregnadiene SARM reference standard. Its published literature is chiefly analytical — mass spectrometric characterisation and metaboli...

PLATE · KC-YK1SELECTIVE MODULATORS
YK-11 (Myostine)
CAS
1370003-76-1
Formula
C25H34O6
Mol. Wt.
430.5 g/mol
COA ARCHIVE2 batches · 2 reports
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