(S)-Cetirizine Dihydrochloride
(S)-西替利嗪二盐酸盐
Also known as: (S)-Cetirizine DiHCl, (S)-Cetirizine DiHCl (Levocetirizine S-Isomer DiHCl), Dextrocetirizine Dihydrochloride, (+)-Cetirizine Dihydrochloride, (S)-[2-[4-[(4-Chlorophenyl)-phenylmethyl]-1-piperazinyl]ethoxy]acetic Acid Dihydrochloride, Cetirizine Impurity 21, Cetirizine S-Isomer (HCl), Cetirizine S-Isomer DiHCl, Acetic acid, 2-[2-[4-[(S)-(4-chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy]-, hydrochloride (1:2)
(S)-Cetirizine Dihydrochloride (CAS 163837-48-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H27Cl3N2O3 and a molecular weight of 461.810 g/mol. It is also known as (S)-Cetirizine DiHCl, (S)-Cetirizine DiHCl (Levocetirizine S-Isomer DiHCl) and Dextrocetirizine Dihydrochloride. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 163837-48-7
- Jingsj CID
- J-1181408-3
- Molecular Formula
- C21H27Cl3N2O3
- Chinese Name
- (S)-西替利嗪二盐酸盐
- Molecular Weight
- 461.810 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quoteFrequently Asked Questions
What is the CAS number of (S)-Cetirizine Dihydrochloride?
The CAS number of (S)-Cetirizine Dihydrochloride is 163837-48-7.
What are the molecular formula and molecular weight of (S)-Cetirizine Dihydrochloride?
(S)-Cetirizine Dihydrochloride has molecular formula C21H27Cl3N2O3 and molecular weight 461.810 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-Cetirizine Dihydrochloride (CAS 163837-48-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1181408-3 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.