Product Name L-Lysine 7-amido-4- methylcoumarin, acetate salt
CAT # L-160
CAS # 201853-23-8
Lot # 010380L160
Retest Date 01/2026
Storage Store at -20°C. Protect from light.
| Test | Specifications | Results |
|---|---|---|
| Color | white to off-white | white |
| Form | crystalline powder | crystalline powder |
| Water Content (K. Fischer) | ≤1.0% | 0.4% |
| Melting Point | 158-162ºC | 161°C |
| Specific Optical Rotation [alpha]D ,(c = 1 in water, 20°C) | 49.5 to 53.5 | 51.4 |
| TLC ,(50 mg in 1.5 ml water; ethyl acetate/pyridine/acetic acid/water 6:5:1:3; UV 254 nm, ninhydrin) | corresponds to reference material | corresponds |
| Free AMC ,(50 mg in 1.5 ml water; butanol/acetic acid/water 6:3:1; UV 366 nm and ammonia vapor) | ≤25 mg/kg | <25 mg/kg |
| FT-IR Spectrum | corresponds to reference spectrum | corresponds |
| 1H-NMR Spectrum | corresponds to assigned structure | corresponds |
| 13C-NMR Spectrum | corresponds to assigned structure | corresponds |
* GOLD BIOTECHNOLOGY, INC. provides this Certificate of Analysis in good faith. No representation is made as to the accuracy or comprehensiveness of the data and GOLD BIOTECHNOLOGY, INC. shall not be liable for any errors in the data. No representation is made as to the fitness of the data or of the materials for any particular use.User shall exercise its own raw material quality control, including analysis of the material, and shall independently determine the fitness of the data and the material for any use. No representation or warranty is made as to the effectiveness of the material or results obtained using the material, including damages or injury. GOLD BIOTECHNOLOGY, INC. liability is limited to the cost of the material. User assumes all responsibility for compliance with all laws and regulations implicated by use of this material.
† If provided, the Certificate of Analysis (COA) retest date corresponds to the recommended storage conditions provided on the COA. If no retest date is shown, the shelf-life for products is 2 years after purchase when stored according to COA recommendations. Retest dates are not rigid, and often only serve an informational purpose. COA retest dates are supplied by the manufacturer; however, GoldBio product labels may contain different storage recommendations to extend the life of the product beyond the manufacturer retest date or 2 years from purchase.
Gold Biotechnology, Inc.
1328 Ashby Rd.
St Louis, MO 63132
P: (314) 890-8778
F: (314) 890-0503
E: contactgoldbio86@goldbio.com
Patrick Swan
QA/QC Department
Date of issue :