64561-25-7 Bis(isopropylcyclopentadienyl)tungsten dihydride MFCD04126431 CAS 64561-25-7
| CAS No. | 64561-25-7 |
| Molecular Formula | H2W |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 64561-25-7 Bis(isopropylcyclopentadienyl)tungsten dihydride MFCD04126431.
64561-25-7 Bis(isopropylcyclopentadienyl)tungsten dihydride MFCD04126431 (CAS 64561-25-7), molecular formula H2WC8H11 and molecular weight 293.03 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 64561-25-7 Bis(isopropylcyclopentadienyl)tungsten dihydride MFCD04126431 (H2WC8H11) contains an organic framework. The molecule exhibits a degree of unsaturation (DBE) of 2.5, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 293.03 g/mol, it falls into the medium-molecular-weight range.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 64561-25-7 Bis(isopropylcyclopentadienyl)tungsten dihydride MFCD04126431 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 | H2W 2*C8H11 |
| Molecular Weight | 293.03 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 1975 |
Recommended Standards
- 2-Bromo-4-(bromomethyl)-5-fluoropyridine (CAS 1227509-89-8)
- (S)-3-(4-bromophenyl)cyclopentan-1-one (CAS 160678-59-1)
- 3-[[2-[[(1R)-1-(1,3-Benzodioxol-5-yl)propyl]amino]-3,4-dioxo-1-cyclobuten-1-yl]amino]-2-hydroxy-N,N- (CAS 473725-95-0)
- 4-(2-(4-(Tert-butoxycarbonyl)piperazin-1-yl)ethoxy)benzoic acid (CAS 1216502-34-9)
- 5-Bromo-2-chloro-N,N-diethylnicotinamide (CAS 1248914-99-9)
- 2-(Cyclopropyl(1-methylpiperidin-3-yl)amino)acetic acid (CAS 1353962-21-6)
- 5-Methylfuro[2,3-d]pyridazin-4(5H)-one (CAS 18270-71-8)
- (1-Ethyl-1H-pyrazol-4-yl)(2-hydroxyphenyl)methanone (CAS 651727-57-0)
- 4-(6-Bromo-3-pyridyl)morpholine (CAS 952582-08-0)
- Tirzepatide (CAS 2023788-19-2)
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