Acepromazine maleate: phenothiazine.
Acepromazine maleate testing at Vanguard Laboratory: identity, purity and quantity $250 per sample, with results in 3 to 5 business days.
Acepromazine maleate: 2D structure drawn from the PubChem record (CID 6420038).
3598-37-6
C19H22N2OS · C4H4O4
442.53 g/mol
Phenothiazine
Identity: Acepromazine maleate
IUPAC name: (Z)-but-2-enedioic acid;1-[10-[3-(dimethylamino)propyl]phenothiazin-2-yl]ethanone
Method for the $250 identity, purity and quantity test: HPLC-UV purity and assay, LC-MS identity, against a reference standard, with results in 3 to 5 business days.
The USP monograph covers identity by infrared spectroscopy and HPLC retention time, assay by HPLC, organic impurities by thin-layer chromatography, residue on ignition, melting range, pH, and water content. Full testing to the USP Acepromazine Maleate monograph is available and quoted.
Chromatographic purity and mg per unit by the method matched to the compound, identity against a reference standard. 1 unit.
| Add-on test | Price |
|---|---|
| Identity and impurities | |
| FTIR identity | $90 |
| CHNS elemental analysis (carbon, hydrogen, nitrogen, sulfur) | $125 |
| Chiral purity (where a chiral method exists; new methods quoted) | $250 |
| Water, solvents and salt form | |
| Water content by Karl Fischer | $60 |
| Residual solvents | $150 |
| Counterions: chloride, acetate and TFA | $70 |
| Assay | |
| Assay, % w/w (with raw powder purity; $250 together) | +$50 |
| Metals and conformity | |
| Heavy metals: arsenic, cadmium, chromium, mercury and lead | $150 |
| Conformity: purity and quantity on more units from the same lot | $100 per extra unit |
| Microbiology (injectables) | |
| Endotoxin | $210 |
| Sterility or bioburden | $150 |
| Container closure integrity (CCI) | $50 |
| Screening | |
| Fentanyl screen | $50 |
10% off for 10 or more samples.
Need something else? Other tests are available on request.
Purity and quantity is $250 per sample (1 unit) and raw powder purity is $200 for 50 mg, with results in 3 to 5 business days. Send the material sealed and labeled, with the label claim and the form it contains.
No. The $250 test covers identity, purity and quantity by HPLC-UV for purity and quantity and LC-MS for identity. Full testing to the USP Acepromazine Maleate monograph is available and quoted.
Yes. Like other phenothiazines, acepromazine oxidizes under light and air to the sulfoxide, which appears as a separate peak in the HPLC purity profile. Samples should be kept dark.
Maleic acid elutes early as its own peak and is not counted as an impurity of acepromazine. The report gives acepromazine as the salt or free base as requested.
Yes. These phenothiazines differ in their side groups, so they separate by HPLC and differ in mass by LC-MS.
https://pubchem.ncbi.nlm.nih.gov/compound/6420038
Identity facts from the USP monograph header for this compound.
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