Guanidinoethyl sulfonate
脒基牛磺酸
Also known as: Taurocyamine, 2-Guanidinoethanesulfonic acid, N-Amidinotaurine, 2-[(Aminoiminomethyl)amino]ethanesulfonic acid, 2-(Diaminomethylideneamino)ethanesulfonic acid, 2-{[Amino(imino)methyl]amino}ethane-1-sulfonic acid, Guanidinoethyl sulfonate, Amidinotaurine
Guanidinoethyl sulfonate (CAS 543-18-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H9N3O3S and a molecular weight of 167.18700 g/mol. It is also known as Taurocyamine, 2-Guanidinoethanesulfonic acid and N-Amidinotaurine. Key properties include a melting point of 263-265ºC and a density of 1.73g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 543-18-0
- Jingsj CID
- J-1962512-6
- Molecular Formula
- C3H9N3O3S
- Chinese Name
- 脒基牛磺酸
- Molecular Weight
- 167.18700 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 263-265ºC |
|---|---|
| Density | 1.73g/cm3 |
| Exact Mass | 167.03600 |
| PSA | 124.65000 |
| LogP | 0.62900 |
| Refractive Index | 1.618 |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. K Ejiri, et al. Effect of guanidinoethyl sulfonate on taurine concentrations and fetal growth in pregnant rats. Biol Neonate. 1987;51(4):234-40. [2]. Luz M Suárez, et al. The taurine transporter substrate guanidinoethyl sulfonate mimics the action of taurine on long-term synaptic potentiation. Amino Acids. 2016 Nov;48(11):2647-2656. |
Customs & Trade Information
| HS Code | 2925290090 |
|---|---|
| Summary | 2925290090 other imines and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Guanidinoethyl sulfonate?
The CAS number of Guanidinoethyl sulfonate is 543-18-0.
What are the molecular formula and molecular weight of Guanidinoethyl sulfonate?
Guanidinoethyl sulfonate has molecular formula C3H9N3O3S and molecular weight 167.18700 g/mol.
What are the upstream and downstream products of Guanidinoethyl sulfonate?
For Guanidinoethyl sulfonate, Upstream Products: Cyanamide, Taurine, S-Methylisothiourea hemisulfate; Downstream Products: Taurine, Carbon dioxide, Ammonia.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Guanidinoethyl sulfonate (CAS 543-18-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1962512-6 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.