Changyu Bio quotes Corning catalog number 430641 (75 cm² U-shaped cell culture flask, canted neck, vented cap, TC-treated polystyrene, sterile) for research laboratories. Brand names identify the catalog item only. Changyu Bio is not an authorized Corning distributor. No price is published. Research Use Only.
Customer list wrote 430641U and noted the current number is 430641. This page uses 430641; 430641U is kept as an alias so old orders still match.
Specifications
| Catalog number | 430641 |
|---|---|
| Also listed as | 430641U |
| Family | Cell culture flasks |
| Description | 75 cm² U-shaped cell culture flask, canted neck, vented cap, TC-treated polystyrene, sterile |
| Material / surface | U-shaped flask, canted neck, vented cap, TC-treated |
| Sterility | Sterile |
| Pack | 100 flasks/case (public catalog) |
| Typical research use | Routine adherent expansion after a 25 cm² flask |
What this number is for
- 75 cm² is the usual mid-size adherent flask.
- Customer paperwork may still say 430641U; order and stock checks should use 430641.
- Vented cap for CO₂ incubators.
- Public catalog 100 sterile flasks/case.
Limits
- Do not treat 430641 and 430639 as interchangeable — growth area differs.
- Not for diagnostic, therapeutic, or clinical use.
Request a quote
Send catalog number 430641 (legacy 430641U), case count, and destination city. Changyu Bio replies with lead time and a commercial quotation. Lot, origin, and shipping terms are on the confirmation. Research Use Only — not for diagnostic, therapeutic, or clinical use.
Common questions
- Are 430641 and 430641U the same item? The inquiry list marked 430641U as now 430641. Use 430641 for new orders. Old literature may still print 430641U.
- How does it pair with 430639? Labs often thaw in 430639 (25 cm²) then pass into 430641 (75 cm²). Seeding density depends on the cell line.
Corning, Costar, Stripette, and CentriStar are trademarks of their owners. This page is for catalog matching and research quotation only. Specifications follow the customer inquiry list and public catalog text; re-check the current catalog before the purchase order.