Spiro[9<I>H</I>-fluorene-9,9′-[9<I>H</I>]xanthene]-2,2′,7,7′-tetramine CAS 1887794-22-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1887794-22-0 |
| Molecular Formula | C81H68N4O9 |
| Molecular Weight | 1241.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Spiro[9<I>H</I>-fluorene-9,9′-[9<I>H</I>]xanthene]-2,2′,7,7′-tetramine (CAS 1887794-22-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C81H68N4O9. Molecular weight: 1241.43 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C81H68N4O9 |
| Molecular Weight | 1241.43 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 50.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 4 |
Related Spiro Standards
- Spiro-TTB (CAS 515834-67-0)
- 1,6-Di(spiro[fluorene-9,9'-xanthen]-2-yl)pyrene (CAS 1246183-53-8)
- Spiro[fluorene-9,9'-xanthene]-2,7-diylbis(diphenylphosphineoxide) (CAS 1346002-81-0)
- 80416-52-0 Spiro(cyclopenta(c)pyran-7(1H),2'(5'H)-furan)-4-carboxylic acid,1-(beta-D-glucopyranosyloxy)-4a,7a-dihydro-4'-(1-((3-(4-hydroxyphenyl)-1-oxo-2-propenyl)oxy)ethyl)-5'-oxo-, methyl ester, (1S-(1alpha,4aalpha,7alpha(R*),7aalpha))- Plumieride coumarate glucoside (CAS 80416-52-0)
- 56360-46-4 spiro[isobenzofuran-1(3h),9'-[9h]xanthen]-3-one,4',5'-dibromo-3',6'-dihydroxy-2',7'-dinitro- (CAS 56360-46-4)
- Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 6'-(dipentylamino)-3'-methyl-2'-(phenylamino)- (CAS 129473-78-5)
- 3-(4-((4-(Spiro[indene-1,4'-piperidin]-1'-ylmethyl)benzyl)oxy)phenyl)hex-4-ynoic acid (CAS 1292290-42-6)
- Spiro-indolinone analogue, 71 (CAS 916047-16-0)
Recommended Standards
- Notoginsenoside Fa (CAS 88100-04-3)
- Cefditoren pivoxil ring-opening dimer (CAS CATO-C4X-135822)
- Leuprorelin Impurity 50 (CAS CATO-C4X-182250)
- 5-Nitro-1H-pyrrole-2-carboximidamide (CAS 779973-93-2)
- 2-(4-Fluorophenyl)-6-(trifluoromethyl)imidazo[1,2-a]pyridine-3-carbaldehyde (CAS 1216048-61-1)
- (R,E)-3-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-phenylhex-5-enoic acid (CAS 1272755-58-4)
- Atorvastatin Impurity 72 (CAS CATO-C4X-113272)
- Ammonium 2-(3-ethylureido)-2-oxoacetate (CAS 105918-81-8)
- (R)-4-Amino-3-fluoro-2-methylbutan-2-ol hydrochloride (CAS 2242580-13-6)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
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