Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

C5145

Sigma-Aldrich

Chlormadinone acetate

≥98%

Synonym(s):

17α-Acetoxy-6-chloro-4,6-pregnadiene-3,20-dione, 6-Chloro-17α-hydroxy-4,6-pregnadiene-3,20-dione 17-acetate, 6-Chloro-6-dehydro-17α-acetoxyprogesterone, Gestafortin, Matrol, Menstridyl

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C23H29ClO4
CAS Number:
302-22-7
Molecular Weight:
404.93
Beilstein:
2633614
EC Number:
206-118-0
MDL number:
MFCD00056471
UNSPSC Code:
41116107
PubChem Substance ID:
24892757
NACRES:
NA.77

Quality Level

200

Assay

≥98%

form

powder

SMILES string

[H][C@]12CC[C@@]3(C)[C@@]([H])(CC[C@]3(OC(C)=O)C(C)=O)[C@]1([H])C=C(Cl)C4=CC(=O)CC[C@]24C

InChI

1S/C23H29ClO4/c1-13(25)23(28-14(2)26)10-7-18-16-12-20(24)19-11-15(27)5-8-21(19,3)17(16)6-9-22(18,23)4/h11-12,16-18H,5-10H2,1-4H3/t16-,17+,18+,21-,22+,23+/m1/s1

InChI key

QMBJSIBWORFWQT-DFXBJWIESA-N

Gene Information

human ... PGR(5241)

Looking for similar products? Visit Product Comparison Guide

Biochem/physiol Actions

Review of progestogenic and related pharmacological effects of chlormadinone acetate.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCBZ5030
BCBN8070V
BCBN8070
BCBL5397V
BCBL5397

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Maurizio Guido et al.
Reproductive sciences (Thousand Oaks, Calif.), 17(8), 767-775 (2010-07-03)
This is the first study evaluating the clinical, metabolic, and hormonal effects of the ethinylestradiol-chlormadinone acetate (EECMA) combination in hirsute women with polycystic ovary syndrome (PCOS). Ultrasonographic pelvic examination, hirsutism score, and hormone profile evaluation were performed at baseline and
R Hermes et al.
Theriogenology, 78(6), 1217-1223 (2012-08-18)
The estrous cycle length in the white rhinoceros (Ceratotherium simum) is either 4 or 10 wk. The cause(s) for this variation as well as the poor fertility rate in captivity remains under debate in this species. Most captive adult white
Peyman Hadji et al.
Contraception, 86(4), 359-365 (2012-03-27)
This prospective noninterventional study assessed the contraceptive efficacy, safety and the effects on signs of androgenization of the generic oral contraceptive containing 2 mg chlormadinone acetate/0.03 mg ethinylestradiol (CMA/EE) in a real-world setting. A total of 1440 women were investigated
Thomas Rabe et al.
Contraception, 82(4), 358-365 (2010-09-21)
This study was conducted to examine whether small doses of ethinylestradiol (EE, 0.02 mg) and chlormadinone acetate (CMA, 2 mg) administered in a novel 24/4-day regimen during six cycles would suffice to suppress proliferation and to cause secretory changes in
Roberto Uras et al.
Contraception, 82(2), 131-138 (2010-07-27)
Chlormadinone acetate (CMA) is a progestin compound similar to progesterone, with antiandrogenic properties. In healthy eumenorrheic women, it was demonstrated that the monophasic estroprogestin formulation containing CMA (2 mg) plus ethinyl estradiol (EE) (30 mcg) (EE30+CMA) is efficacious both in
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service