Fmoc-D-2-amino-4-(ethylthio)butyric acid CAS 1374669-68-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1374669-68-7 |
| Molecular Formula | C21H23NO4S |
| Molecular Weight | 385.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Fmoc-D-2-amino-4-(ethylthio)butyric acid (CAS 1374669-68-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H23NO4S. Molecular weight: 385.48 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H23NO4S |
| Molecular Weight | 385.48 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Fmoc Standards
- Fmoc-D-HoMet-OH (CAS 2044709-81-9)
- Fmoc-l-beta-homomethionine (CAS 266359-48-2)
- Fmoc-N-Me-Met-OH (CAS 84000-12-4)
- Fmoc-Disc-OH (CAS 204320-59-2)
- Fmoc-AEEAc-OH (CAS 166108-71-0)
- Fmoc-S-carbamoyl-L-cysteine (CAS 1354488-29-1)
- 286460-73-9 Fmoc-Met-OH-1-13C L-Methionine-1-13C, N-Fmoc N-(9-Fluorenylmethoxycarbonyl)-L-methionine-1-13C (CAS 286460-73-9)
- 934183-50-3 Fmoc-Met-OH-15N L-Methionine-15N, N-Fmoc N-(9-Fluorenylmethoxycarbonyl)-L-methionine-15N (CAS 934183-50-3)
Recommended Standards
- (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-5-(methylthio)pentanoic acid (CAS 1354752-81-0)
- N-(((9H-Fluoren-9-yl)methoxy)carbonyl)-S-ethylhomocysteine (CAS 1396988-59-2)
- N-(4-(4-(Cyclopropanecarbonyl)-1,4-diazepan-1-yl)phenyl)-4-methyl-1,2,3-thiadiazole-5-carboxamide (CAS 1219913-12-8)
- 1,4-Bis(4,5-diphenyl-1H-imidazol-2-yl)benzene (CAS 4051-59-6)
- 7-Hydroxybenzothiazole-2-carboxaldehyde (CAS 1261626-31-6)
- (2,3,5,6-Tetrachlorophenyl)boronic acid (CAS 1310930-82-5)
- 2-(Pyridin-3-yl)-5-(trifluoromethyl)-1H-indole-3-carbaldehyde (CAS 591243-37-7)
- 2,2-dimethylbut-3-en-1-yl methanesulfonate (CAS 70074-03-2)
- (3,4-Dichlorophenethyl)hydrazine hydrochloride (CAS 21085-57-4)
- Semaglutide Impurity 163 (x TFA Salt) (CAS CATO-C4X-2226163)
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