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Supplier: Thermo Fisher Scientific
Description: Serrated tubulation on each end

Supplier: Kemtech America
Description: High vacuum stopcock.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Catalog Number: (80074-222)
Supplier: Chemglass
Description: Similar to the CG-436 series, but with all three arms being made of 2 mm I.D. capillary tubing.

Small Business Enterprise


Supplier: Ace Glass
Description: Precision grade, with three-way oblique bore hollow or solid glass plug

Small Business Enterprise Product available on GSA Advantage®

Supplier: Chemglass
Description: Similar to the CG-458 series, but with two parallel oblique bores. Plug is precision ground and hand-lapped with corresponding numbers on the barrel and plug.

Small Business Enterprise

Catalog Number: (80074-338)
Supplier: Chemglass
Description: Similar to the CG-478 series, but with the addition of an extra horizontal sidearm. Precision ground and hand-lapped with corresponding numbers on barrel and plug.

Small Business Enterprise


Catalog Number: (80074-196)
Supplier: Chemglass
Description: Similar to the CG-424 series, but with both arms being made of 2 mm capillary tubing.

Small Business Enterprise


Catalog Number: (80074-194)
Supplier: Chemglass
Description: Similar to the CG-424 series, but with one arm being made of 2 mm I.D. capillary tubing.

Small Business Enterprise


Supplier: Kemtech America
Description: Stopcocks have 1:5 taper PTFE plug with double oblique bore.

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Supplier: Kemtech America
Description: High vacuum stopcock with 90° angle bore hollow glass plug

Small Business Enterprise Minority or Woman-Owned Business Enterprise

Catalog Number: (47750-038)
Supplier: Bel-Art Products, a Part of SP
Description: The three-way configuration of these stopcocks permits connection of any two or all three ports.

Supplier: Chemglass
Description: These straight bore stopcocks have a 1:5 taper and solid PTFE plugs.

Small Business Enterprise

Catalog Number: (60005-118)
Supplier: Kemtech America
Description: Replacement Teflon® straight bore stopcock.

Small Business Enterprise Minority or Woman-Owned Business Enterprise


Supplier: Ace Glass
Description: Used with distilling head to enable operator to determine reflux ratios and take-offs.

Small Business Enterprise Product available on GSA Advantage®

Supplier: Wards
Description: Fits glass aspirator bottles with matching joints.

Supplier: Ace Glass
Description: This stopcock is used in Heidolph 4000 Series rotary evaporator condensers and other popular brand rotary evaporator condensers as an inlet feed tube to allow continuous feed of volumes exceeding capacity of evaporating flask

Small Business Enterprise Product available on GSA Advantage®

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
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  • issued document with your organization's Federal Tax ID Number
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