Thieno[2,3-b]pyrazine-6-carbaldehyde, 97% CAS 857283-69-3
| CAS No. | 857283-69-3 |
| Molecular Formula | C7H4N2OS |
| Molecular Weight | 164.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures Thieno[2,3-b]pyrazine-6-carbaldehyde, 97% 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.
CATO supplies Thieno[2,3-b]pyrazine-6-carbaldehyde, 97% (CAS 857283-69-3), a certified reference material (molecular formula C7H4N2OS, MW 164.18 g/mol) for analytical method development and quality control.
Structurally, Thieno[2,3-b]pyrazine-6-carbaldehyde, 97% (C7H4N2OS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 164.18 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C7H4N2OS |
| Molecular Weight | 164.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Thieno Standards
- Thieno[3,2-d]pyrimidine-7-carbaldehyde (CAS 1211596-51-8)
- Thieno[2,3-d]pyridazine-3-carbaldehyde (CAS 35670-76-9)
- Thieno[2,3-d]pyrimidine-6-carbaldehyde (CAS 655253-72-8)
- thieno[3,2-b]pyridin-6-ylmethanamine (CAS 1306604-20-5)
- {thieno[3,2-b]pyridin-2-yl}methanamine (CAS 1313725-98-2)
- Thieno[3,2-c]pyridin-2-ylmethanamine (CAS 1313726-00-9)
- thieno[2,3-b]pyridin-5-ylmethanamine (CAS 1509740-13-9)
- Thieno[3,2-c]pyridine-6-methanamine (CAS 1530815-46-3)
Recommended Standards
- Thiazolo[4,5-c]pyridine-2-carbaldehyde (CAS 97249-56-4)
- tetrahydrothiophene-2-carboxylic acid 1,1-dioxide (CAS 80548-40-9)
- Rel-(1R,2R)-2-(4-fluorophenyl)cyclopropane-1-carbaldehyde (CAS 372183-93-2)
- (2R)-2-(carbamoylamino)-3-sulfanylpropanoic acid 24583-23-1 CHEBI:64855 L-Cysteine-N-carbamide L-NCC N-(Aminocarbonyl)cysteine N-carbamoyl-L-cysteine (CAS 24583-23-1)
- Diethyl (isoxazol-5-ylmethyl)phosphonate (CAS 85167-83-5)
- tert-Butyl (4-oxo-3,4-dihydrospiro[benzo[e][1,3]oxazine-2,4'-piperidin]-7-yl)carbamate (CAS 1260883-15-5)
- 6-(1-Methyl-1H-indol-3-yl)-1,3,5-triazinane-2,4-dione (CAS 197447-99-7)
- 3-(2,3-Dimethoxyphenyl)-5-((5-(3-fluorophenyl)-1,3,4-oxadiazol-2-yl)methyl)-1,2,4-oxadiazole (CAS 1251547-58-6)
- {[5-(1,3-Dioxo-2,3-dihydro-1h-isoindol-2-yl)pentyl]sulfanyl}methanimidamide hydrobromide (CAS 859062-37-6)
- 4-Nitro-2-((trimethylsilyl)ethynyl)pyridine (CAS 667932-20-9)
- 1,3,5-Triethynyl-2,4,6-trimethylbenzene (CAS 182863-41-8)
- tert-Butyl 7-(1-hydroxypropan-2-yl)-3,4-dihydro-1,8-naphthyridine-1(2H)-carboxylate (CAS 959992-13-3)
- N-(Ethoxycarbonyl)-DL-alanine (CAS 6318-52-1)
- CBP501 Affinity Peptide trifluoroacetate salt (CAS 1351804-17-5)
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