| Product Name: | R 761 |
| Synonyms: | 3-(4-Isobutylpiperazino)rifamycin;R 761;3-(4-(2-methylpropyl)-1-piperazinyl)-rifamyci;3-(4-isobutyl-1-piperazinyl)rifamycin;3-(4-(2-methylpropyl)-1-piperazinyl)-rifamyci3-(4-isobutyl-1-piperazinyl)rifamycin;3-(4-Isobutyl-1-piperazinyl)-rifamycin SV;Rifamycin, 3-[4-(2-methylpropyl)-1-piperazinyl]-;R 761 USP/EP/BP |
| CAS: | 57184-22-2 |
| MF: | C45H63N3O12 |
| MW: | 837.99 |
| Product Categories: | Pharmaceuticals; APIs; Rifamycin |
| Boiling point | 913.5±65.0 °C(Predicted) |
| density | 1.31±0.1 g/cm3(Predicted) |
| pka | 3.54±0.70(Predicted) |
Item | Standard | Test Results |
Identification | A.H-NMR:Comply with the structure | Complies |
B.LC-MS:Comply with the structure | Complies | |
C.The IR spectrum of sample should be identical with that of reference standard. | Complies | |
D.HPLC-ESI-MSThe retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay. | Complies | |
Crystallinity | meets the requirements. | Complies |
Loss on drying | ≤2.0% | 0.19% |
Heavy metals | ≤10 ppm | <10ppm |
Water | ≤1.0% | 0.1% |
Sulphated ash | ≤0.5% determined on 1.0 g. | 0.009% |
Residue on ignition | ≤0.1% | 0.03% |
Related Substances | Unspecified impurities: for each impurity ≤0.10% | <0.10% |
Total Impurity ≤0.5% | 0.18% | |
Purity | ≥99.0% | 99.7% |
Assay | 99.0%~101.0% (anhydrous substance). | 99.8% |
Microbiological Analysis | Total plate count ≤1000cfu/g | Complies |
Yeast & Moulds ≤100cfu/g | Complies | |
E. Coli. Absent | Negative | |
Salmonella Absent | Negative | |
S.aureus Absent | Negative | |
Storage | Preserve in well-closed,light-resistant and airtight containers. | Complies |
a) Free sample can be supplied.
b) Guide our clients by professional knowledge and teach them how to use our product after sales.
c) Accept SGS,BV any other third-party inspection before loading.
d) High quality best price Guaranteed.
MSDS and COA can be available if you send us inquiry.
Email us at: info@maxmedchem.com for more details.
| Product Name: | R 761 |
| Synonyms: | 3-(4-Isobutylpiperazino)rifamycin;R 761;3-(4-(2-methylpropyl)-1-piperazinyl)-rifamyci;3-(4-isobutyl-1-piperazinyl)rifamycin;3-(4-(2-methylpropyl)-1-piperazinyl)-rifamyci3-(4-isobutyl-1-piperazinyl)rifamycin;3-(4-Isobutyl-1-piperazinyl)-rifamycin SV;Rifamycin, 3-[4-(2-methylpropyl)-1-piperazinyl]-;R 761 USP/EP/BP |
| CAS: | 57184-22-2 |
| MF: | C45H63N3O12 |
| MW: | 837.99 |
| Product Categories: | Pharmaceuticals; APIs; Rifamycin |
| Boiling point | 913.5±65.0 °C(Predicted) |
| density | 1.31±0.1 g/cm3(Predicted) |
| pka | 3.54±0.70(Predicted) |
Item | Standard | Test Results |
Identification | A.H-NMR:Comply with the structure | Complies |
B.LC-MS:Comply with the structure | Complies | |
C.The IR spectrum of sample should be identical with that of reference standard. | Complies | |
D.HPLC-ESI-MSThe retention time of the major peak in the chromatogram of the Assay preparation corresponds to that in the chromatogram of the Standard preparation, as obtained in the Assay. | Complies | |
Crystallinity | meets the requirements. | Complies |
Loss on drying | ≤2.0% | 0.19% |
Heavy metals | ≤10 ppm | <10ppm |
Water | ≤1.0% | 0.1% |
Sulphated ash | ≤0.5% determined on 1.0 g. | 0.009% |
Residue on ignition | ≤0.1% | 0.03% |
Related Substances | Unspecified impurities: for each impurity ≤0.10% | <0.10% |
Total Impurity ≤0.5% | 0.18% | |
Purity | ≥99.0% | 99.7% |
Assay | 99.0%~101.0% (anhydrous substance). | 99.8% |
Microbiological Analysis | Total plate count ≤1000cfu/g | Complies |
Yeast & Moulds ≤100cfu/g | Complies | |
E. Coli. Absent | Negative | |
Salmonella Absent | Negative | |
S.aureus Absent | Negative | |
Storage | Preserve in well-closed,light-resistant and airtight containers. | Complies |
a) Free sample can be supplied.
b) Guide our clients by professional knowledge and teach them how to use our product after sales.
c) Accept SGS,BV any other third-party inspection before loading.
d) High quality best price Guaranteed.
MSDS and COA can be available if you send us inquiry.
Email us at: info@maxmedchem.com for more details.
