13-Desmethyl-spirolide C (NRC Certified Calibration Solution)Concentration: 10.2 μmol/L of 13-DesMeC in 0.05% Trifluoroacetic AcidDiscontinued CAS 334974-07-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 334974-07-1 |
| Molecular Formula | C42H61NO7 |
| Molecular Weight | 691.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
13-Desmethyl-spirolide C (NRC Certified Calibration Solution)Concentration: 10.2 μmol/L of 13-DesMeC in 0.05% Trifluoroacetic AcidDiscontinued (CAS 334974-07-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C42H61NO7. Molecular weight: 691.94 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C42H61NO7 |
| Molecular Weight | 691.94 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Desmethyl Standards
- O-Desmethyl Apremilast Glucuronide (CAS 1384814-89-4)
- Desmethyl Cerivastatin-O-β-D-glucuronide (CAS 212616-56-3)
- 11-Desmethyl Rifaximin-d4 (CAS 1316302-12-1)
- Desmethyl Tacrolimus (CAS 132172-14-6)
- 3’-O-Desmethyl Etoposide (CAS 100007-54-3)
- Desmethyl Bromethalin (CAS 57729-86-9)
- N-(Desmethyl)-tert-butyl Acetate Sildenafil (CAS 398507-63-6)
- O-Desmethyl Midostaurin (CGP62221) (CAS 740816-86-8)
Recommended Standards
- 2',4',5',7'-Tetrabromo-3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-6-carboxylic acid (CAS 3561-24-8)
- (+-)-1-[[[(2-aminoethoxy)hydroxyphosphinoyl]oxy]methyl]ethane-1,2-diyl bishexadecanoate 1,2-Dihexadecanoyl-rac-glycero-3-phosphoethanolamine 1,2-Dipalmitoyl glycerylphosphorylethanolamine 1,2-Dipalmitoyl-3-DL-glycerylphosphorylethanolamine 1,2-Dipalmitoyl-DL-3-glycerophosphatidylethanolamine 1,2-Dipalmitoyl-DL-phosphatidylethanolamine 1,2-Dipalmitoyl-rac-glycerophosphoethanolamine 1,2-Dipalmitoylphosphatidylethanolamine 5681-36-7 DL-Dipalmitoylphosphatidylethanolamine DL-a-Cephalin dipalmitate DL-a-Dipalmitoylphosphatidylethanolamine DL-b,g-Dipalmitoyl-a-cephalin DPPE Dipalmitoyl cephalin Dipalmitoylphosphatidylethanolamine Ethanol, 2-amino-, dihydrogen phosphate (ester), monoester with 1,2-dipalmitin, DL- (8CI) Hexadecanoic acid, 1-[[[(2-aminoethoxy)hydroxyphosphinyl]oxy]methyl]-1,2-ethanediyl ester, (+/-)- Palmitin, 1,2-di-, 2-aminoethyl hydrogen phosphate, DL- (8CI) Palmitin, 1,2-di-, phosphate, 2-aminoethyl ester, dl- (6CI) a-Cephalin, b,g-dipalmitoyl b,g-Dipalmitoyl-DL-a-cephalin rac-Phosphatidylethanolamine, 1,2-dipalmitoyl (CAS 5681-36-7)
- Valsartan Methyl Ester N2-Trityl Analog (CAS 883223-10-7)
- N2,N2-dimethylthiazole-2,4-diamine (CAS 75116-62-0)
- 2,2-Difluoro-6-azabicyclo[3.2.1]Octane-5-carboxylic acid (CAS 1394116-55-2)
- Mefatinib Impurity 19 (CAS CATO-C4X-299219)
- Dronedarone Impurity 17 (CAS CATO-C4X-109217)
- 5-Ethyl-2,3,4,5-tetrahydropyrido[2,3-f][1,2,5]thiadiazepine 1,1-dioxide (CAS 1799974-51-8)
- 4-(1-Methyl-1H-pyrazol-4-yl)benzoic acid (CAS 199678-06-3)
- Semaglutide impurity 214 (CAS CATO-C4X-2226214)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com