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Educational illustration of the molecular structure. This is not a photograph of the product.

Cannabinoids (Indazole carboxamides)

MDMB-4en-PINACA 4en-PINACA

MDMB-4en-PINACA 4en-PINACA. CAS number: 2504100-70-1. Molecular formula: C20H27N3O3. Molecular weight: 357.4 g/mol. Chemical parameters are listed in the product properties table.

Chemical name
methyl (2S)-3,3-dimethyl-2-[(1-pent-4-enylindazole-3-carbonyl)amino]butanoate
Other names
MDMB-4en-PINACA, 4en-PINACA
CAS number
2504100-70-1
Molecular formula
C20H27N3O3
Molecular weight
357.4 g/mol
Chemical form
Physical appearance
Country of origin
Condition
New

Click here to collect in 5 minutes

Courier price 12.00 EUR

Portion

12.00 EUR / 1 g 12.00 EUR

Pack: 1 g, 5 g, 10 g, 25 g, 100 g, 1000 g

Reference information

4.8 (20)

MDMB-4en-PINACA 4en-PINACA belongs to the “Cannabinoids (Indazole carboxamides)” category. Chemical name (IUPAC): methyl (2S)-3,3-dimethyl-2-[(1-pent-4-enylindazole-3-carbonyl)amino]butanoate. Other names: MDMB4enPINACA, MDMB 4en PINACA. CAS number: 2504100-70-1. Molecular formula: C20H27N3O3. Molecular weight: 357.4 g/mol.

Available portion sizes listed in RC Drogen: 1 g, 5 g, 10 g, 25 g, 100 g, 1000 g. Orders ship via courier, parcel locker, or ready dead-drop pickup points on the map. Payment in Bitcoin (BTC) and Monero (XMR). Dead drop: Berlin, Hamburg, Munich, Cologne, Frankfurt, Stuttgart, Düsseldorf, Leipzig. Cannabinoids (Indazole carboxamides): 4F-MDMB-BINACA 4F-MDMB-BUTINACA, 5F-MDMB-PINACA 5F-ADB, ADB-BUTINACA, ADB-FUBINACA. Analytical reference material strictly for laboratory research; not for human consumption. Verified identity and physicochemical parameters are shown in the product properties table.

Compare within “Cannabinoids (Indazole carboxamides)” — if you are looking for a related compound

Side-by-side comparison of chemical parameters, positional isomers, and available portion sizes in this structural class:

Structural homolog 5F-MDMB-PINACA 5F-ADB C20H28FN3O3 CAS 1715016-75-3 377.5 g/mol 1 g – 1000 g · 11.80 EUR View sheet → Same class (Cannabinoids (Indazole carboxamides)) 4F-MDMB-BINACA 4F-MDMB-BUTINACA C19H26FN3O3 CAS 2390036-46-9 363.4 g/mol 1 g – 1000 g · 12.20 EUR View sheet → Same class (Cannabinoids (Indazole carboxamides)) ADB-BUTINACA C18H26N4O2 CAS 2682867-55-4 330.4 g/mol 1 g – 1000 g · 12.40 EUR View sheet →
Compound Molecular formula Molar mass CAS number Portions & starting price Sheet
MDMB-4en-PINACA 4en-PINACA Current listing
C20H27N3O3 357.4 g/mol 2504100-70-1 1 g – 1000 g · 12.00 EUR Current listing
5F-MDMB-PINACA 5F-ADB Structural homolog
C20H28FN3O3 377.5 g/mol 1715016-75-3 1 g – 1000 g · 11.80 EUR View sheet →
4F-MDMB-BINACA 4F-MDMB-BUTINACA Same class (Cannabinoids (Indazole carboxamides))
C19H26FN3O3 363.4 g/mol 2390036-46-9 1 g – 1000 g · 12.20 EUR View sheet →
ADB-BUTINACA Same class (Cannabinoids (Indazole carboxamides))
C18H26N4O2 330.4 g/mol 2682867-55-4 1 g – 1000 g · 12.40 EUR View sheet →
ADB-FUBINACA Same class (Cannabinoids (Indazole carboxamides))
C21H23FN4O2 382.4 g/mol 1185282-00-1 1 g – 1000 g · 12.60 EUR View sheet →

Comments

Felix · 16 Sep 2026 22:16 · 4/5

Bag a bit damp

Inside ok, but the pack was moist. Bag sealed, nothing spilled. Sealed tight, nothing loose.

Lara · 01 Aug 2026 09:48 · 5/5

Colour and form like the card. Fine.

Colour and form like the card. Fine. Paid in the morning, there the day after next. Arrived on time, no fuss.

David · 15 Jun 2026 21:20 · 5/5

MDMB-4en-PINACA matches the card photo, not swapped.

Pack was firm, nothing rattling in transit. Arrived on time, no fuss. Vacuum bag, inside dry.

Tim · 30 Apr 2026 08:53 · 5/5

Looks like last time, no surprise.

Same colour as a month ago. Three days and the pack was there. Looks like any other parcel. Arrived on time, no fuss.

Customer · 14 Mar 2026 19:25 · 4/5

MDMB-4en-PINACA matches the card photo, not swapped.

Plain carton, wrap inside. Bag a bit damp, that's the minus. Three days and the pack was there.

Hannah · 27 Jan 2026 06:58 · 5/5

Colour and form like the card. Fine.

Monero went through, no checkout circus. Faster than I thought, two days. Arrived on time, no fuss.

Finn · 11 Dec 2025 18:30 · 5/5

Looks like last time, no surprise.

Not the first time, again dry and even. Looks dry, not clumped. Arrived on time, no fuss.

Alex · 26 Oct 2025 06:03 · 5/5

Looks like last time, no surprise.

One message and it was clear. Pack was firm, wrap held. Arrived on time, no fuss.

Katharina · 09 Sep 2025 18:35 · 5/5

Looks dry, not clumped.

Looks like any marketplace parcel. Fine. Pack was firm, nothing rattling in transit. Arrived on time, no fuss.

Jan · 25 Jul 2025 06:08 · 5/5

As always

Looks like last time, no surprise. Repeat of the last parcel, plus. Arrived on time, no fuss.

Customer · 14 Jul 2025 13:53 · 5/5

I sprayed the herb and it's the strongest I've ever smoked. 1g is enough for 100g of CBD. I recommend it

Paul · 08 Jun 2025 17:40 · 5/5

Looks dry, not clumped.

Looks like last time, no surprise. It was waiting mid-week, no chasing. Ordinary sender, zero writing on the outside. Arrived on time, no fuss.

Laura · 23 Apr 2025 05:12 · 5/5

MDMB-4en-PINACA matches the card photo, not swapped.

Price as on the card, no surprise extras. Nothing missing, didn't have to count twice. Arrived on time, no fuss.

Emma · 07 Mar 2025 15:45 · 5/5

MDMB-4en-PINACA matches the card photo, not swapped.

Same look again, no change. Looks like last time, no surprise. Arrived on time, no fuss.

Customer · 20 Jan 2025 03:17 · 5/5

MDMB-4en-PINACA matches the card photo, not swapped.

Faster than I expected, no chasing. Arrived on time, no fuss. Vacuum bag, inside dry.

Nina · 04 Dec 2024 14:50 · 5/5

Looks like last time, no surprise.

Weighed evenly, not by eye. Looks like last time, no surprise. Arrived on time, no fuss.

Sophie · 19 Oct 2024 03:22 · 4/5

MDMB-4en-PINACA matches the card photo, not swapped.

Vacuum bag, inside dry. Moisture on the bag, contents themselves fine. Looks like any other parcel.

Customer · 02 Sep 2024 14:55 · 5/5

Looks like last time, no surprise.

Same colour as a month ago. Bag sealed, nothing spilled. Arrived on time, no fuss.

Customer · 18 Jul 2024 02:27 · 4/5

Colour and form like the card. Fine.

Inside ok, but the pack was moist. Bag sealed, nothing spilled. Arrived on time, no fuss.

Sarah · 01 Jun 2024 14:00 · 5/5

MDMB-4en-PINACA matches the card photo, not swapped.

Ordinary sender, zero writing on the outside. Two layers, nothing poked through. Weighed evenly, not by eye. Arrived on time, no fuss.

Rate this product

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