34044 Supelco


VETRANAL®, analytical standard

Synonym: (1S,2R,3S,4S,6R,7S,14R)-6-[(2-Diethylaminoethylthio)acetoxy]-3-hydroxy-2,4,7,14-tetramethyl-4-vinyltricyclo[5,4,3,01.8]tetradecan-9-one

  • CAS Number 55297-95-5

  • Empirical Formula (Hill Notation) C28H47NO4S

  • Molecular Weight 493.74

  •  EC Number 259-580-0

  •  PubChem Substance ID 24860813

  •  NACRES NA.24



Related Categories Analytical Standards, Analytical/Chromatography, Antibacterial, Antibiotics, Antibiotics A to Z,
Quality Level   100
grade   analytical standard
product line   VETRANAL®
form   neat
shelf life   limited shelf life, expiry date on the label
application(s)   HPLC: suitable
  gas chromatography (GC): suitable
Featured Industry   Forensics and Toxicology
Pharmaceutical (small molecule)
Mode of action   enzyme | inhibits
format   neat
storage temp.   2-8°C
SMILES string   CCN(CC)CCSCC(=O)O[C@@H]1C[C@@](C)(C=C)[C@@H](O)[C@H](C)[C@@]23CC[C@@H](C)C1(C)[C@@H]2C(=O)CC3
InChI   1S/C28H47NO4S/c1-8-26(6)17-22(33-23(31)18-34-16-15-29(9-2)10-3)27(7)19(4)11-13-28(20(5)25(26)32)14-12-21(30)24(27)28/h8,19-20,22,24-25,32H,1,9-18H2,2-7H3/t19-,20+,22-,24+,25+,26-,27+,28+/m1/s1


General description

Chemical structure: macrolide

Tiamulinis a veterinary drug with very low water solubility (0.000524 mg/mL). Its mode of action involves suppressing protein synthesis in bacteria.


Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.
For detailed application information, please see the Frequently Asked Questions (FAQ) section at the bottom of this page.

Legal Information

VETRANAL is a registered trademark of Sigma-Aldrich Chemie GmbH

Safety & Documentation

Safety Information

Hazard statements 
Precautionary statements 
Personal Protective Equipment 
NONH for all modes of transport
WGK Germany 
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable


Certificate of Analysis (COA)

Please Enter a Lot Number

Frequently Asked Questions

Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
What is the best way to remove a portion of the material from the vial, in order to prepare a standard from Product 34044, Tiamulin?
Tiamulin is a viscous liquid at room temperature, so it is a little difficult to work with. The kind of vial that is used for Product 34044-100MG-R is what Sigma-Aldrich Germany typically uses for amounts of about 10 mg to 100 mg. Tiamulin does not have a good chromophore, so we don't have an extinction coefficient for it; that is, if there were a chromophore, one might be able to quantitate it by measuring the UV absorbance of a solution.Here are our recommendations:1. Heat the vial up to 50-60°C. This will significantly reduce the viscosity of the Tiamulin.2. If there is material visible in the cap of the vial, spin it down using a small benchtop centrifuge for a few seconds. Briefly warm back up to 50-60°C if the vial cools down significantly during centrifugation.3. Using a pipetter, carefully transfer about 10 microliters of the warm liquid into a tared vial on a balance.4. Obtain an accurate weight, and use that in your calculations.As the material is needed, the vial can be heated several times to 50-60°C, without harming it. The 100 mg is roughly 100 microliters, so following the recommendations above, you should be able to obtain about 10 samples from the vial of 34044-100MG-R.
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