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Topic: PyBOP  (Read 10642 times)

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Offline limpet chicken

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PyBOP
« on: January 05, 2005, 04:10:40 PM »
I have been in need of peptide coupling reagents, specifically PyBOP, Benzotriazole-1-yl-oxy-tris-pyrrolidino-phosphonium hexafluorophosphate, some peptide coupling reagents produce carcinogens as byproducts apparently, PyBOP does not, and is the particular reagent I need, I just cannot seem to find a source that ships to private individuals, most likely,  because nobody expects amateur hobbyists to be in need of advanced chemicals ::)

I really need a source that ships to the UK, for small amounts, 20-100 grams or so, and takes paypal, solo, maestro or cheque, looked on ebay and found nothing, and cant find anything anywhere online :-\

Anyone know of any places worh trying?
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Mr Amino

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Re:PyBOP
« Reply #1 on: January 05, 2005, 04:41:16 PM »
www.sciencelab.com

You can also look at using HBTU.  My lab uses HCTU which is a newer reagent that can supposedly give 97%+ yields and is also non-toxic.  It is not widely available however.

Offline limpet chicken

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Re:PyBOP
« Reply #2 on: January 05, 2005, 04:55:41 PM »
Unfortunately, that site does not appear to ship outside of the USA, and no methods of payment are mentioned :(

SWIM is UK based, and does not have a credit card unfortunately, as he is out of work at the moment.
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Offline kevins

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Re:PyBOP
« Reply #3 on: January 06, 2005, 11:12:31 AM »

Offline limpet chicken

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Re:PyBOP
« Reply #4 on: January 06, 2005, 12:28:48 PM »
Sigma-Aldrich do not take orders from any other than buissinesses, they are fairly notorious for it, unless you got a buissiness, then you wouldn't even stand a chance at ordering NaCl there :(

I am just a hobby chemist, and a lot of the large firms won't look twice at an order that isn't from a registered company.

 
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Offline kevins

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Re:PyBOP
« Reply #5 on: January 07, 2005, 11:13:30 AM »
PyBOP is not a common chemical and Sigma is one of the organic and special chemical supplier, then it is not a easy way to obtain such chemical from other supplier. :-\

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