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After eleven paper editions over 68 years, Reagent Chemicals became an electronic resource in 2017. [5] The publication is updated several times a year to include new reagents and methods of analysis. Changes are published online six months prior to becoming an official standard, allowing manufacturers to adjust their labels or processes. [6]
Chemexper Chemical Directory catalogue chemicals CASno Structure SMILES "ChemExper". Chemxpert Database Chemxpert Chemical Database small molecules database buyers,suppliers "ChemxpertDB". 10,00000 Chemical Book East West University: commercially available compounds CASno, suppliers, properties "Chemical Book". 200,000 Chemical Register
As of November 2015, PubChem contains more than 150 million depositor-provided substance descriptions, 60 million unique chemical structures, and 225 million biological activity test results (from over 1 million assay experiments performed on more than 2 million small-molecules covering almost 10,000 unique protein target sequences that ...
"Amazon's minimum order size for free shipping has changed to $35," the company said in a brief announcement on its site. "This is the first time in more than a decade that Amazon has altered the ...
To qualify for free shipping, non-Prime members typically have to purchase an order totaling at least $25. On Monday, the e-commerce giant said it has raised that minimum to $35.
Here are all the Christmas shipping deadlines you need to know for 2024 The best gift experiences of 2024 — Coffee tasting classes, treasure hunts, etc. 30 thoughtful gifts for people with ...
This figure has been consistent for the last few years (ranging between 58% and 69%). Moreover, US respondents asked in the survey listed free shipping (54% mentions) as a most important factor for online shipping. Next in line were exclusive online deals (23%), no sales tax (10%), fast shipping (9%) and in store pickup (5%). [3]
In 2011, Free Shipping Day became a billion-dollar shopping holiday with $1.072 billion in sales, [5] followed by $1.01 billion during Free Shipping Day 2012. [ 6 ] In 2013, Knowles changed the format of Free Shipping Day to only include merchants that could waive all minimum order requirements and guarantee delivery by Christmas Eve. [ 7 ]