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PRODUCT PROSPECTUS ξ (TMS-triflate) § NEW FROM PCR S3 A new reagent for the J2 preparation of silyl enol 2 ethers, it reacts with car- ^ bonyl compounds more 52 effectively than trimethyl- t- chlorosilane. Converts oxiranes to al- cohols. Can also be used as a catalyst for the high yield preparation of nucleosides via transglycosylation re- actions. Available from stock: 12016-2 Trimethylsilyl triflu- oromethanesulfonate 25g-$19.00; 100g-$65.00 i Ο PCR RESEARCH CHEMICALS, INC. RO. Box 1778 Gainesville, Florida 32602 (904)376-7522 ORGANIC CMF MiCA( S [)'V SON 5CM m^PORA T ' ·>". CIRCLE 27 ON READER SERVICE CARD lAutomate Your HPLC Analyses Micromeritics' 725 Autolnjector is the world's most widely ac- cepted HPLC automatic sample injector. It automates up to 192 injections from 64 vials . . . completely unattended. Preci- sion between injections is typi- cally better than 1 % and is as low as ± 0.15% for some analyses. This microcomputer- based unit features a patented "positive displacement sam- pling" design which permits pre- cise sample delivery without bulky and often expensive gas accessories. The operationally simple, yet highly sophisticated 725 Autolnjector adapts to ANY liquid chromatograph. Contact Micromeritics Instru- ment Corporation, 5680 Goshen Springs Rd., Norcross, GA 30093, U.S.A. (404) 448-8282. l^i micromeritics .CIRCLE 30 ON READER SERVIOF CARn Using a Sep Funnel? Try a TM SEP-PAK Convenient SEP-PAK™ Cartridges can collect, clean-up and concentrate. They reduce: Preparation Steps Solvent Consumption Evaporation Time Glassware Usage Emulsification Problems Total Analysis Time # Waters Associates, Inc. 34 Maple St., Milford, MA 01757 CIRCLE 63 ON READER SERVICE CARD PFALTZ& BAUER THE SUPERMARKET OF RESEARCH CHEMICALS Your single source for both ORGANICS& INORGANICS The NEW 1979-80 Catalog is now available. m PFALTZ & BAUER, INC. division of Aceto Chemical Co., Inc. 375 Fairfield Ave., Stamford, Conn. 06902 Tel: (203) 357-8700 CIRCLE 73 ON READER SERVICE CARD Make Bacteria-free, Endotoxin-free Water . . . In your Lab Designed and successfully tested at the N.I.H., this patented, contin- uous duty Kontes High Purity Wa- ter System makes clean room water production unnecessary. Now, water suitable for tissue cul- ture, chemical and bioiogical re- search, pharmaceutical parenteral solutions, and solution compound- ing applications can be produced and stored in your lab. Call or write for complete specifi- cations and prices. SCIENTIFIC GLASSWARE/INSTRUMENTS CIRCLE 23 ON READER SERVICE CARD CHEMICAL SAFETY! FREE 1980 catalog! of the latest equipment needed for safe handling of toxic and hazardous chemicals. Circle No. 25 on Readers Service Card LAB SAFETY SUPPLY CO. Ρ Ο BOX 1368 JANESVILLE WISCONSIN 53545 | DIVISION OF SCIENCE RELATED MATERIALS \ CIRCLE 25 ON READER SERVICE CARD
Transcript of Partial Page Advertisements
PRODUCT PROSPECTUS ξ (TMS-triflate) § NEW FROM PCR S3 A new reagent for the J 2 preparation of silyl enol 2 ethers, it reacts wi th car-^ bonyl compounds more 52 effectively than tr imethyl-t - chlorosilane.
Converts oxiranes to alcohols.
Can also be used as a catalyst for the high yield preparation of nucleosides via transglycosylation reactions. Available from stock: 12016-2 Trimethylsilyl triflu-
oromethanesulfonate 2 5 g - $ 1 9 . 0 0 ; 1 0 0 g - $ 6 5 . 0 0
i Ο
PCR RESEARCH CHEMICALS, INC.
RO. Box 1778 Gainesville, Florida 32602
(904)376-7522 ORGANIC CMF MiCA( S [)'V SON 5CM m^PORA T ' · > " .
CIRCLE 27 ON READER SERVICE CARD
lAutomate Your HPLC
Analyses Micromeritics' 725 Autolnjector is the world's most widely accepted HPLC automatic sample injector. It automates up to 192 injections from 64 vials . . . completely unattended. Precision between injections is typically better than 1% and is as low as ± 0.15% for some analyses. This microcomputer-based unit features a patented "positive displacement sampling" design which permits precise sample delivery without bulky and often expensive gas accessories. The operationally simple, yet highly sophisticated 725 Autolnjector adapts to ANY liquid chromatograph. Contact Micromeritics Instrument Corporation, 5680 Goshen Springs Rd., Norcross, GA 30093, U.S.A. (404) 448-8282.
l̂ i micromeritics .CIRCLE 30 ON READER SERVIOF CARn
Using a Sep Funnel?
Try a TM SEP-PAK
Convenient SEP-PAK™ Cartridges can collect, clean-up
and concentrate. They reduce:
Preparation Steps Solvent Consumption
Evaporation Time Glassware Usage
Emulsification Problems Total Analysis Time
# Waters Associates, Inc. 34 Maple St., Milford, MA 01757
CIRCLE 63 ON READER SERVICE CARD
PFALTZ& BAUER THE SUPERMARKET OF
RESEARCH CHEMICALS Your single source for both
ORGANICS& INORGANICS
The
NEW 1979-80
Catalog
is now available.
m PFALTZ & BAUER, INC. division of Aceto Chemical Co., Inc.
375 Fairfield Ave., Stamford, Conn. 06902 Tel: (203) 357-8700
CIRCLE 73 ON READER SERVICE CARD
Make Bacteria-free, Endotoxin-free Water . . . In your Lab Designed and successfully tested at the N.I.H., this patented, continuous duty Kontes High Purity Water System makes clean room water production unnecessary. Now, water suitable for tissue culture, chemical and bioiogical research, pharmaceutical parenteral solutions, and solution compounding applications can be produced and stored in your lab. Call or write for complete specifications and prices.
SCIENTIFIC GLASSWARE/ INSTRUMENTS
CIRCLE 23 ON READER SERVICE CARD
CHEMICAL SAFETY!
FREE 1980 catalog! of the latest
equipment needed for safe handling
of toxic and hazardous chemicals.
Circle No. 25 on Readers Service Card
L A B S A F E T Y SUPPLY CO. Ρ Ο BOX 1368 JANESVILLE WISCONSIN 53545
| DIVISION OF SCIENCE RELATED MATERIALS \
CIRCLE 25 ON READER SERVICE CARD
