iTechGuides is reader-supported. When you buy through links on our site, we may earn an affiliate commission. As an Amazon Associate I earn from qualifying purchases. Learn more
CatVS is a computer-based screening tool that predicts which catalyst and ligand may favor one of two mirror-image forms of a molecule. Its potential value for drug development is helping chemists narrow their options faster—not replacing laboratory validation or proving that a drug can be made at manufacturing scale.
What does CatVS predict?
Many molecules occur in two forms that are mirror images of each other, called enantiomers. They can behave differently in biological systems, so chemists developing a medicine may need a reaction to favor one form over the other.
A catalyst can influence which enantiomer a reaction produces. CatVS is a computational tool designed to screen candidate substrates and ligands and predict which catalyst system will favor the desired product form. It is software for evaluating possibilities, not a physical catalyst or a drug-manufacturing process. Chemistry World reported on CatVS on 11 December 2018.
Quick wins for a faster PC:
Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →How could a catalyst predictor help drug manufacturing?
Choosing a suitable catalyst and ligand is one step in developing a chemical synthesis. If a model can help identify promising candidates, chemists may be able to focus experiments on a smaller set of options rather than testing every candidate in the same way. That could make catalyst selection more efficient during synthesis development.
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
The Chemistry World report said CatVS could virtually screen substrate and ligand libraries “within hours.” This is a qualitative description in the 2018 report, not a controlled timing benchmark. It points to a possible time-saving in screening, but does not show that CatVS made a drug faster or cheaper in practice, or that it produced a medicine at manufacturing scale.
Can a model predict reaction conditions?
Yes. Other computational models aim to predict broader reaction conditions, but their results should not be confused with CatVS’s enantioselectivity task. A 2023 study of Parrot, a Transformer-based reaction-condition predictor, reported improvements on a newly curated dataset: top-three prediction accuracy for catalysis, solvents, and other reagents improved by up to 13.44% versus the best previous model, while mean absolute error for predicted temperatures fell by about 4 °C. These are results reported by the study’s authors, not independently reproduced benchmarks. PubMed’s record for the Parrot study summarizes the findings.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
Parrot and CatVS address related but distinct problems. CatVS is described as screening catalysts and ligands to predict which enantiomer a reaction favors; Parrot predicts reaction conditions across a broader set of categories. Parrot’s reported metrics therefore do not validate CatVS.
What should chemists check before relying on a prediction?
A prediction is useful only to the extent that the model and its evidence fit the chemistry at hand. The Parrot authors identify standardized benchmark data, model generality, and interpretability as challenges for reaction-condition prediction. The 2023 Parrot article discusses the study and its context.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
For a catalyst-selection decision, evaluate the model against the intended reaction rather than treating a promising prediction as a result. Relevant questions include:
- Scope: Does the model cover the substrate and reaction type you plan to use?
- Candidate coverage: Are the catalyst and ligand options you can actually test represented?
- Prediction target: Is the output about enantioselectivity, or about broader reaction conditions such as solvent, reagent, or temperature?
- Validation fit: Was the model assessed on data similar to your intended chemistry, and does it perform well on relevant experiments?
- Interpretability: Can the prediction be understood well enough to guide follow-up work?
- Confirmation effort: What laboratory experiments are needed to verify the outcome and determine whether the process can be developed further?
What the available evidence does—and does not—show
The 2018 account presents CatVS as a promising way to screen catalyst and ligand choices. It does not establish CatVS’s current availability or maintenance status, independent CatVS-specific validation, routine use in manufacturing, or performance at production scale. Nor does a prediction guarantee that a reaction will produce the desired enantiomer under practical operating conditions. Those questions require evidence for the particular chemistry and process being considered.
Quick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
