S 1688

    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 461620

CAS#: 30194-63-9

Description: S 1688 is a bronchodilator that works as an antiasthmatic drug.

Chemical Structure

S 1688
CAS# 30194-63-9

Theoretical Analysis

MedKoo Cat#: 461620
Name: S 1688
CAS#: 30194-63-9
Chemical Formula: C18H23N5O
Exact Mass: 325.1903
Molecular Weight: 325.41
Elemental Analysis: C, 66.44; H, 7.12; N, 21.52; O, 4.92

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

Request quote for custom synthesis

Synonym: S 1688; S-1688; S1688;

IUPAC/Chemical Name: 4-amino-N-(2-(4-(pyridin-2-yl)piperazin-1-yl)ethyl)benzamide


InChi Code: InChI=1S/C18H23N5O/c19-16-6-4-15(5-7-16)18(24)21-9-10-22-11-13-23(14-12-22)17-3-1-2-8-20-17/h1-8H,9-14,19H2,(H,21,24)


Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.03.00

Preparing Stock Solutions

The following data is based on the product molecular weight 325.41 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL

Molarity Calculator

Calculate the mass, volume, or concentration required for a solution.

*When preparing stock solutions always use the batch-specific molecular weight of the product found on the vial label and SDS / CoA (available online).

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.


Dilution Calculator

Calculate the dilution required to prepare a stock solution.

1: James D. Portraits in medical biography: Alexander Pope (1688-1744), poet, patient, celebrity. J Med Biogr. 2013 Nov;21(4):200-8. doi: 10.1177/0967772013491865. Epub 2013 Oct 10. PubMed PMID: 24585825.

2: Duhault JL, Tisserand FP, Regnier GL. [Bronchodilator substances. Part II: experimental study of a new antiasthmatic drug, S 1688, without beta-stimulant properties]. Arzneimittelforschung. 1974 Dec;24(12):1970-4. PubMed PMID: 4480359.