(Deamino-Cys1)-Oxytocin CAS 113-78-0
| CAS No. | 113-78-0 |
| Molecular Formula | C43H65N11O12S2 |
| Molecular Weight | 992.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(Deamino-Cys1)-Oxytocin (CAS 113-78-0) is a high-purity analytical reference standard with the molecular formula C43H65N11O12S2 and a molecular weight of 992.18 g/mol.
Structurally, (Deamino-Cys1)-Oxytocin (C43H65N11O12S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 992.18 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), (Deamino-Cys1)-Oxytocin meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C43H65N11O12S2 |
| Molecular Weight | 992.18 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 11 |
| Sulfur Atoms | 2 |
Related Deamino Standards
- (Deamino-Cys1,Leu4,Lys8)-Vasopressin (CAS 42061-33-6)
- 60498-04-6 (Deamino-Cys1,D-Orn8)-Vasopressin MFCD00237314 (CAS 60498-04-6)
- (Deamino-Cys1,Val4,D-Arg8)-Vasopressin (CAS 43157-23-9)
- (Deamino-Cys1,Lys8)-Vasopressin (CAS 2989-84-6)
- [Deamino-Cys1,D-3-(Pyridyl)Ala2,Arg8] Vasopressin (CAS 136105-89-0)
- (Deamino-Pen1,Val4,D-Arg8)-Vasopressin (CAS 64158-84-5)
- (Deamino-Cys1,D-Arg8)-Vasopressin (CAS 16679-58-6)
- (Deamino-Phe19,D-Ala24,D-Pro26-psi(CH2NH)Phe27)-GRP (19-27) (human, porcine, canine) (CAS 142061-53-8)
Recommended Standards
- (Phe2,Orn8)-Oxytocin (CAS 2480-41-3)
- N4,N4,N4',N4'-Tetrakis(4-iodophenyl)-[1,1'-biphenyl]-4,4'-diamine (CAS 1322605-30-0)
- 2-Benzamido-3-phenylacrylic acid (CAS 1155-48-2)
- (d(CH2)51,Tyr(Me)2,Thr4,Orn8,des-Gly-NH29)-Vasotocin (CAS 115499-13-3)
- 4-(3-Formylphenyl)phenol (CAS 283147-95-5)
- 2,2-difluoro-1-(1H-pyrazol-4-yl)ethan-1-one (CAS 2092767-64-9)
- 7-(Trifluoromethyl)-4h,5h,6h,7h-pyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 869948-09-4)
- 2-(3-Isopropylpyridin-2-yl)acetic acid hydrochloride (CAS 2197057-17-1)
- (E)-2-((4-chlorobenzyl)thio)quinoline-3-carbaldehyde O-(3-chlorobenzoyl) oxime (CAS 551921-75-6)
- Isopropyl 2-methyl-3-oxobutanoate (CAS 919771-62-3)
- 2-Methyl-4-octanol (CAS 40575-41-5)
- N-(2,4-Dichlorophenyl)-4-methyl-1,2,3-thiadiazole-5-carboxamide (CAS 183300-50-7)
- 1,1,3-Triethoxypropane (CAS 7789-92-6)
- Tirzepatide Impurity 36 (CAS CATO-C4X-324036)
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 18665070610 / Nicole.chen@cato-chem.com