1,7-Dimethylxanthine Paraxanthine CAS 611-59-6
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Paraxanthine (1,7-Dimethylxanthine)
CERTIFICATE OF ANALYSIS
Molecular Pormula | C7H8H4O2 | CAS No. | 611-59-6 |
Batch Number | 20251212 | Manufacture Date | Dec.12.2025 |
| Storage Condition | Dryness Factor(<25℃) | Standard | Enterprise Standard |
Analysis Items | Specifications | Analysis Results | |
Characteristics | White powder | White powder | |
Purity | >99% | 99.31% | |
LC-MS | Conform to structure | Conforms | |
| Water | <0.5% | 0.1% | |
| Purity(HPLC) | Imp 1(HPLC)≤1.0% Imp 2(HPLC)≤0.5% | 0.64 ND | |
| Loss on Drying | ≤0.5% | 0.24% | |
| Residue on ignition | ≤0.1% | 0.06% | |
| Heavy Metals | <20ppm | Qualified | |
| Pb | <1.0ppm | Qualified | |
| As | <1.5ppm | Qualified | |
| Cd | <0.5ppm | Qualified | |
| Hg | <1.0ppm | Qualified | |
| Total Plate Count | <1000 cfu/g | Qualified | |
| Yeast & Mold | <100 cfu/g | Qualified | |
| E.Coli | Negative in 10g | Negative | |
| Salmonella | Negative in 10g | Negative | |
| S.Aureus | Negative in 10g | Negative | |
| Identification | H-NMR | Conforms | |
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For a courier delivery order,the MOQ is normally 100 g~1 kg;
For an air transport order or sea delivery order ,the MOQ is usually 25 kgs.
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For a courier delivery order, delivery time is usually 5~7 working days.
For an air transport order,usually around 7~10 working days.
For an sea delivery order , usually around 10~20 working days.
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First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
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