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-Bromonaphthalen-1-ol
SKU 90033235 · CAS 571-57-3 · C10H7BrO · MW 223.07 -
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4-Bromophenol
SKU 90034533 · CAS 106-41-2 · C6H5BrO · MW 173.01 -
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4-Bromophenylacetic acid
SKU 30743745 · CAS 1878-68-8 · BrC6H4CH2CO2H · MW 215.04 -
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4-Bromophthalic acid
SKU 90033297 · CAS 6968-28-1 · C6H3(COOH)2Br · MW 245.03 -
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4-Bromopyridine hydrochloride
SKU 65801625 · CAS 19524-06-2 · C5H4BrN·HCl · MW 194.46 -
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4-Bromoresorcinol
SKU 20155004 · CAS 6626-15-9 · C6H5BrO2 · MW 189.01 -
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4-Bromosalicylaldehyde
SKU 90036425 · CAS 22532-62-3 · C7H5BrO2 · MW 201.02 -
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4-Bromostyrene (stabilized with TBC)
SKU 37464965 · CAS 2039-82-9 · H2C=CHC6H4Br · MW 183.05 -
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4-Bromothiophenol
SKU 18156633 · CAS 106-53-6 · BrC6H4SH · MW 189.07 -
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4-Bromotoluene
SKU 90030118 · CAS 106-38-7 · CH3C6H4Br · MW 171.03 -
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4-Chloro-1-butanol
SKU 24213719 · CAS 928-51-8 · HO(CH2)4Cl · MW 108.57 -
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4-Chloro-1-naphthol
SKU 90034545 · CAS 604-44-4 · ClC10H6OH · MW 178.61 -
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4-Chloro-2-(chloromethyl)-3-methylpyridine hydrochloride
SKU 90038155 · CAS 152402-97-6 · C7H7Cl2N·ClH · MW 212.51 -
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4-Chloro-2-methylaniline
SKU 42737689 · CAS 95-69-2 · ClC6H3(CH3)NH2 · MW 141.60 -
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4-Chloro-2-nitrophenol
SKU 41119611 · CAS 89-64-5 · C6H4ClNO3 · MW 173.55 -
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4-Chloro-3-methylpyridine (4-Chloro-3-picoline)
SKU 87762623 · CAS 1681-36-3 · C6H6ClN · MW 127.57 -
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4-Chloro-3,5-dimethylphenol
SKU 15961166 · CAS 88-04-0 · ClC6H2(CH3)2OH · MW 156.61 -
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4-Chloro-4-hydroxybenzophenone
SKU 39582283 · CAS 42019-78-3 · ClC6H4COC6H4OH · MW 232.66 -
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4-Chloro-5-chlorosulfonylsalicylic acid
SKU 90005198 · CAS 14665-31-7 · C7H4Cl2O5S · MW 271.07 -
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4-Chloroaniline
SKU 50844385 · CAS 106-47-8 · ClC6H4NH2 · MW 127.57 -
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4-Chlorobenzaldehyde
SKU 24753028 · CAS 104-88-1 · ClC6H4CHO · MW 140.57 -
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4-Chlorobenzenesulfonyl chloride
SKU 24266104 · CAS 98-60-2 · C6H4Cl2O2S · MW 211.07 -
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4-Chlorobenzil
SKU 90028147 · CAS 22711-23-5 · C14H9ClO2 · MW 244.67 -
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4-Chlorobenzoic acid
SKU 89968253 · CAS 74-11-3 · ClC6H4COOH · MW 156.57
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.