Date published: 2025-10-19

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(+)-Cloprostenol (sodium salt) (CAS 62561-03-9)

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Alternate Names:
D-Cloprostenol; (+)-16-m-chlorophenoxy tetranor PGF; (+)-16-m-chlorophenoxy tetranor Prostaglandin F
CAS Number:
62561-03-9
Molecular Weight:
446.9
Molecular Formula:
C22H28ClO6Na
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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A more water soluble, crystalline form of (+)-cloprostenol. (+)-Cloprostenol is a synthetic analog of prostaglandin F2α (PGF2α). It is an FP receptor agonist and a potent luteolytic agent in rats and hamsters. (+)-Cloprostenol is the optically active, 15(R) enantiomer of cloprostenol accountable for the majority of its biological activity. Cloprostenol is 200 times and 100 times more potent than PGF2α in terminating pregnancy in hamsters and rats, respectively without the side effects associated with PGF2α.1 The subcutaneous dose required for interrupting early pregnancy is species dependent, requiring approximately 1.25 µg/kg and 270 µg/kg in hamsters and rats, respectively.1 Cloprostenol is also a potent inhibitor of rat adipose precursor differentiation in primary cultures with an IC50 of 3 x 10-12 M.2


(+)-Cloprostenol (sodium salt) (CAS 62561-03-9) References

  1. Serum progesterone levels in post-partum dairy cows after repeated application of the prostaglandin F2 alpha analogue D (+) cloprostenol sodium.  |  Tenhagen, BA., et al. 2000. J Vet Med A Physiol Pathol Clin Med. 47: 213-20. PMID: 10887752
  2. Oestrus synchronisation in postpartum dairy cows using repetitive prostaglandin doses: Comparison between D-cloprostenol and dinoprost.  |  Pérez-Marín, CC., et al. 2015. Acta Vet Hung. 63: 79-88. PMID: 25374258
  3. A simple and practical short-term timed artificial insemination protocol using estradiol benzoate with prostaglandin F2α in lactating dairy cows.  |  Bandai, K., et al. 2020. Theriogenology. 141: 197-201. PMID: 31563861
  4. Postovulatory treatment with GnRH on day 5 reduces pregnancy loss in recipients receiving an in vitro produced expanded blastocyst.  |  García-Guerra, A., et al. 2020. Theriogenology. 141: 202-210. PMID: 31606718
  5. Effects of immunization against inhibin α-subunit on ovarian structures, pregnancy rate, embryonic and fetal losses, and prolificacy rate in goats where estrus was induced during the non-breeding season.  |  Rehman, A., et al. 2021. Anim Reprod Sci. 224: 106654. PMID: 33249352
  6. Reproductive Performance and Partial Budget Analysis of a Prostaglandin or a Modified Ovsynch Protocol in Autumn Calving Dairy Herds.  |  Lindley, G., et al. 2021. Animals (Basel). 11: PMID: 33917310
  7. Effect of eCG dose on ovarian haemodynamics, hormonal profiles and prolificacy rate when oestrus was induced during low-breeding season in Beetal goats.  |  Sharif, B., et al. 2023. Reprod Domest Anim. 58: 48-59. PMID: 36102495

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

(+)-Cloprostenol (sodium salt), 1 mg

sc-205260
1 mg
$98.00

(+)-Cloprostenol (sodium salt), 5 mg

sc-205260A
5 mg
$443.00