5-[2-(3,5-Dimethyl-pyrazol-1-yl)-ethyl]-2H-tetrazole CAS 1004194-65-3
| CAS No. | 1004194-65-3 |
| Molecular Formula | C11H7ClFN3S |
| Molecular Weight | 267.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-[2-(3,5-Dimethyl-pyrazol-1-yl)-ethyl]-2H-tetrazole (CAS 1004194-65-3) is a high-purity analytical reference standard with the molecular formula C11H7ClFN3S and a molecular weight of 267.71 g/mol.
Structurally, 5-[2-(3,5-Dimethyl-pyrazol-1-yl)-ethyl]-2H-tetrazole (C11H7ClFN3S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 267.71 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5-[2-(3,5-Dimethyl-pyrazol-1-yl)-ethyl]-2H-tetrazole under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H7ClFN3S |
| Molecular Weight | 267.71 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Dimethyl Standards
- 1-(2,5-Dimethyl-1h-pyrrol-3-yl)-2-((5-methyl-1,3,4-thiadiazol-2-yl)thio)ethan-1-one (CAS 1179634-78-6)
- 8,9-Dimethyl-5H-spiro[piperidine-4,4-pyrrolo[1,2-a]quinoxaline] (CAS 1242929-94-7)
- 6-Benzyl-8,8-dimethyl-5,6,7,8-tetrahydro-1,6-naphthyridin-3-amine (CAS 1356087-44-9)
- 6,6-Dimethyl-3-(methylsulfinyl)-4-oxo-4,5,6,7-tetrahydrobenzo[c]thiophene-1-carbonitrile (CAS 186371-17-5)
- 2-(6,6-Dimethyl-1-phenylhexahydro-1H-indazol-4(2H)-ylidene)acetonitrile (CAS 63193-77-1)
- 3,4-Dimethyl-n-{[2-(prop-2-en-1-yloxy)phenyl]methyl}aniline (CAS 851457-30-2)
- 3,3-Dimethyl-2-oxobutyl 2-(methylthio)nicotinate (CAS 473672-92-3)
- 5,6-dimethyl-7-(2-pyridin-2-ylethyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 1097036-91-3)
Recommended Standards
- 1-(2-Chloro-4-fluorobenzyl)-3-isothiocyanato-1h-pyrazole (CAS 1004194-41-5)
- 4-Chloro-1-(3-fluorobenzyl)-3-isothiocyanato-1h-pyrazole (CAS 1004194-67-5)
- 3-Chloro-4-fluoro-N-(2-methoxyethyl)benzenesulfonamide (CAS 321705-98-0)
- 3-CHloro-5-pyridyl-6-phenylpyridazine (CAS 1007554-44-0)
- 0W8RRI5W5A 8007-43-0 Anhydrohexitol sesquioleate Anhydrosorbitol sesquioleate Sorbitan, 9-octadecenoate (2:3) Sorbitan sesquioleate Sorbitan sesquioleate [USAN:INN:BAN:NF] Sorbitan, esters, sesqui-9-octadecenoate, (Z)- Sorbitan, (Z)-9-octadecenoate (2:3) Sorbitan, (9Z)-9-octadecenoate (2:3) Sorbitan, sesquioleate Arlacel C Arlacel 83 Crill K 16 Crill 16 EINECS 232-360-1 Emasol 41S Emsorb 2502 Emulgator 8972 Glycomul SOC Glycomul Soc Special Hodag SSO Liposorb SQ0 Montane 83 Nikkol SO 15 Nissan nonion OP 83 Nissan nonion OP 83RAT Protachem SOC Sesquioleate de sorbitan [INN-French] Sesquioleato de sorbitano [INN-Spanish] SO 15 Sorbitani sesquioleas [INN-Latin] Sorbitanum sesquioleylatum Sorgen 30 Span 83 Sorbitan sesquioleate. (Compound usually contains also associated fatty acids.) Sesquioleate de sorbitan Sesquioleato de sorbitano Sorbitani sesquioleas UNII-0W8RRI5W5A EC 232-360-1 (CAS 8007-43-0)
- N1-(pyridin-2-ylmethyl)benzene-1,2-diamine (CAS 97266-33-6)
- 3-[(4-bromo-1H-pyrazol-1-yl)methyl]-5-propyl-1,2,4-oxadiazole (CAS 1251048-76-6)
- Tert-butyl 3-(3-(benzyloxy)phenyl)azetidine-1-carboxylate (CAS 916900-30-6)
- Cis-octahydroisoquinolin-3(2H)-one (CAS 89104-93-8)
- 2-Chloro-4,5,6,7-tetrafluorobenzo[d]thiazole (CAS 1379316-44-5)
- Methyl 3-amino-2-(aminomethyl)propanoate (CAS 159029-33-1)
- 2-((2-(4-Fluorophenyl)-2-oxoethyl)thio)-3-phenylquinazolin-4(3H)-one (CAS 292064-90-5)
- Yuexiandajisu E (CAS 866556-16-3)
- Semaglutide impurity 38 (CAS CATO-C4X-222638)
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