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Synthesis Technologies and Analysis
Methcathinones
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Precursors
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4′-Methylpropiophenone bromination to 2-bromo-4'-methylpropiophenone. Large scale.
William Dampier
Sep 10, 2021
4
5
6
Replies
112
Views
155K
Tuesday at 3:20 PM
William Dampier
Sticky
4'-Methylpropiophenone iodination to 2-iodo-4'-methylpropiophenone by iodine/cooper(II) oxide. Video manual.
William Dampier
Sep 10, 2021
2
Replies
31
Views
86K
May 15, 2025
Precursor-supplier
Sticky
2-Bromo-4'-methylpropiophenone synthesis from 4'-methylpropiophenone. Bromination in DCM or GAA.
William Dampier
Sep 9, 2021
2
Replies
20
Views
61K
Mar 28, 2025
whitelabel
W
Sticky
3'-Chloropropiophenone and 3'-Fluoropropiophenone Synthesis
G.Patton
Oct 31, 2024
Replies
0
Views
7K
Oct 31, 2024
G.Patton
Sticky
Syntheses of Brominated 2- and 3-Methylpropiophenones
G.Patton
May 1, 2024
Replies
7
Views
18K
Jun 13, 2024
HerrHaber
Normal threads
Preparation of 4-Methoxypropiophenone using Methanesulfonic Acid (MSA)
William Dampier
Oct 13, 2025
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2
Views
2K
Tuesday at 3:16 PM
William Dampier
T
hi can anyone help to make 4MMC
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Nov 9, 2025
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2
Views
871
Nov 20, 2025
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S
METHYLAMINE HYDROCHLORIDE (HCL)- is no joke
EHRMANTRAUT
May 22, 2024
2
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24
Views
33K
Nov 8, 2025
Cosa Nostra
Synthesis of 4'-methylpropiophenone from toluene by Friedel-Crafts reaction (1kg+ scale)
William Dampier
Sep 8, 2021
2
3
4
Replies
70
Views
143K
Oct 19, 2025
waltjr5858
W
Preparation of 3,4-Methylenedioxypropiophenone using Methanesulfonic Acid (MSA)
William Dampier
Sep 29, 2025
Replies
0
Views
2K
Sep 29, 2025
William Dampier
China will not produce 2b4m anymore
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Jun 6, 2025
Replies
7
Views
5K
Sep 1, 2025
Mirror
Whats the 100g precursor?
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Jan 13, 2025
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6
Views
7K
Aug 23, 2025
A5kL3Pi0s
Price insanity for 2-bromo-3-methylpropiophenone compared to 2b4m + some quotes to compare
TheVacuumGuy
Nov 4, 2024
2
3
Replies
42
Views
34K
Aug 16, 2025
bilibili
H
Possible Cathenone deliberative?
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Jul 16, 2025
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0
Views
3K
Jul 16, 2025
HotCarl2249
H
T
I made some shit, so you don't have to...
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Jul 1, 2025
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5K
Jul 4, 2025
loadingST
B
Nitroethane, from ethyl bromide and potassium nitrite SN2 reaction link below
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May 17, 2025
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1
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5K
Jun 6, 2025
mewnmewamine
S
2bromo4 suppliers
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22K
Jun 6, 2025
Morda
M
B
Bromination Question
Blammo
May 8, 2025
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1
Views
3K
May 9, 2025
Dr. MMX
Propionyl chloride synthesis
NovicechemistEU
Nov 29, 2024
Replies
4
Views
8K
May 4, 2025
Osmosis Vanderwaal
Synthesis 2-iodo-4-methylopropiophenone with microwave
StarWars
Dec 26, 2022
Replies
15
Views
28K
May 3, 2025
w2x3f5
W
new legal bk-4
Tyram
Mar 19, 2025
Replies
4
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6K
May 3, 2025
w2x3f5
W
C
Phosphorous Extraction from Human Urine?!?
ClandestineNewB
Apr 21, 2025
Replies
2
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4K
May 3, 2025
w2x3f5
W
Bromination of 4-methylpropiophenone with NBS/PTSA and solvent-free conditions (large scale)
William Dampier
Sep 12, 2021
2
Replies
25
Views
42K
Mar 23, 2025
whitelabel
W
nice and efficent route for self 2b4m syntehsis (avg 50 usd a kg)
Dr. MMX
Sep 22, 2024
2
Replies
24
Views
26K
Jan 14, 2025
w2x3f5
W
Z
can bromination of crude 4 methyl propiophenone be done?
Zenithberserker
Nov 12, 2024
Replies
4
Views
9K
Jan 11, 2025
William Dampier
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