Ethinylestradiol Impurities & Reference Standards

Spectrasynth Pharmachem supplies 14 certified Ethinylestradiol impurity reference standards, including CAS numbers, product codes and custom synthesis. Enquire for pricing, COA and availability.

• Ethinylestradiol - API

  CAS No: 57-63-6 · Product Code: SSPC-E00001

• Ethinylestradiol - Impurity A

  CAS No: 4717-38-8 · Product Code: SSPC-E00002

• Ethinylestradiol - Impurity B

  CAS No: 1231-96-5 · Product Code: SSPC-E00003

• Ethinylestradiol - Impurity C

  CAS No: 53-16-7 · Product Code: SSPC-E00004

• Ethinylestradiol - Impurity D

  CAS No: 50-28-2 · Product Code: SSPC-E00005

• Ethinylestradiol - Impurity E

  CAS No: 27521-34-2 · Product Code: SSPC-E00006

• Ethinylestradiol - Impurity F

  CAS No: 56324-28-8 · Product Code: SSPC-E00007

• Ethinylestradiol - Impurity G

  CAS No: 38002-18-5 · Product Code: SSPC-E00008

• Ethinylestradiol - Impurity H

  CAS No: 1350468-76-6 · Product Code: SSPC-E00009

• Ethinylestradiol - Impurity I

  CAS No: 67703-68-8 · Product Code: SSPC-E00010

• Ethinylestradiol - Impurity J

  CAS No: 15071-66-6 · Product Code: SSPC-E00011

• Ethinylestradiol - Impurity K

  CAS No: 155683-61-7 · Product Code: SSPC-E00012

• Ethinylestradiol - Impurity L

  CAS No: 57-91-0 · Product Code: SSPC-E00013

• Ethinylestradiol - Impurity M

  CAS No: 3240-39-9 · Product Code: SSPC-E00014