Category · 2269 products
Building Blocks
Building Blocks are essential organic compounds used in the synthesis of pharmaceuticals, agrochemicals, and advanced materials. These versatile intermediates enable precise molecular construction in research and industrial applications. Molekula stocks a range of Building Blocks with full technical documentation and CoA per batch.
Every product here can be supplied in any quantity. Pack sizes and prices on the product pages are a starting point — tell us what you need and we'll manufacture, source and repack it, from grams to multi-tonne.
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4-Aminobenzoic acid
SKU 65447636 · CAS 150-13-0 · H2NC6H4CO2H · MW 137.14 -
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4-Aminobenzophenone
SKU 30271302 · CAS 1137-41-3 · H2NC6H4C(O)C6H5 · MW 197.23 -
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4-Aminobenzyl alcohol
SKU 19569444 · CAS 623-04-1 · H2NC6H4CH2OH · MW 123.15 -
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4-Aminobiphenyl
SKU 27494389 · CAS 92-67-1 · C6H5C6H4NH2 · MW 169.22 -
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4-Aminonicotinic acid
SKU 85336389 · CAS 7418-65-7 · C6H6N2O2 · MW 138.12 -
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4-Aminophenol
SKU 16650521 · CAS 123-30-8 · H2NC6H4OH · MW 109.13 -
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4-Aminophenol USP reference standard
SKU 90032890 · CAS 123-30-8 · H2NC6H4OH · MW 109.13 -
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4-Aminophenyl disulfide
SKU 89994820 · CAS 722-27-0 · (H2NC6H4S-)2 · MW 248.37 -
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4-Aminophenylacetic acid
SKU 12062232 · CAS 1197-55-3 · H2NC6H4CH2CO2H · MW 151.16 -
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4-Androstene-3,17-dione
SKU 15237310 · CAS 63-05-8 · C19H26O2 · MW 286.41 -
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4-Azaindole
SKU 26737614 · CAS 272-49-1 · C7H6N2 · MW 118.14 -
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4-Benzyloxyphenol
SKU 21452252 · CAS 103-16-2 · C13H12O2 · MW 200.23 -
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4-Bromo-1-butene
SKU 90026278 · CAS 5162-44-7 · BrCH2CH2CH=CH2 · MW 135.00 -
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4-Bromo-1,8-naphthalic anhydride
SKU 89993080 · CAS 81-86-7 · C12H5BrO3 · MW 277.07 -
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4-Bromo-1H-imidazole
SKU 90027160 · CAS 2302-25-2 · C3N2H3Br · MW 146.97 -
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4-Bromo-2-ethyl-1-iodobenzene
SKU 90033230 · CAS 175278-30-5 · C8H8BrI · MW 310.97 -
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4-Bromo-2-methoxybenzoic acid
SKU 72400420 · CAS 72135-36-5 · C8H7BrO3 · MW 231.04 -
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4-Bromo-2,1,3-benzothiadiazole
SKU 90020176 · CAS 22034-13-5 · C6H3BrN2S · MW 215.07 -
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4-Bromo-2,3,5,6-tetrafluoropyridine
SKU 90034716 · CAS 3511-90-8 · C5BrF4N · MW 229.96 -
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4-Bromo-3,5-dihydroxybenzoic acid
SKU 90034548 · CAS 16534-12-6 · Br(OH)2C6H2COOH · MW 233.02 -
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4-Bromobenzaldehyde
SKU 23904910 · CAS 1122-91-4 · 4-(Br)C6H4CHO · MW 185.02 -
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4-Bromobenzoic acid
SKU 37671652 · CAS 586-76-5 · BrC6H4CO2H · MW 201.02 -
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4-Bromobenzyl bromide
SKU 52617544 · CAS 589-15-1 · C7H6Br2 · MW 249.93 -
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4-Bromochlorobenzene
SKU 90033128 · CAS 106-39-8 · BrC6H4Cl · MW 191.45
Frequently asked
What does Molekula stock in the Building Blocks category?
Molekula stocks a range of Building Blocks products at research, semi-bulk and bulk scale. Browse the full list below or use the search to filter by name or CAS.
Does Molekula provide a CoA for Building Blocks products?
Yes — every batch ships with a Certificate of Analysis. You can also retrieve historical CoAs via the batch lookup on any product page.
Can Molekula supply Building Blocks in bulk quantities?
Bulk and custom pack sizes are available on request. Use the "Request a quote" button on any product page or visit /contact.
Need a quote?
Tell us the product, grade, and quantity — we usually respond within one working day.