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SL-164 (dicloqualone or DCQ)
SL-164 (dicloqualone or DCQ)

SL-164 (dicloqualone or DCQ) is a sedative, hypnotic, anticonvulsant, an analogue of methaqualone, developed in the late 1960s by the Sumitomo team, belongs to the class of quinazolinones, was used to treat insomnia, as well as as a sedative and muscle relaxant. SL-164 this drug has never been used in medicine and is intended only for research purposes in special laboratories.

SL-164 (dicloqualone or DCQ)
SL-164 (dicloqualone or DCQ)
  • SL-164
IUPAC 5-chloro-3-(4-chloro-2-methylphenyl)-2-methylquinazolin-4-one
Formula   C16H12Cl2N2O
Molecular weight   319.185 g·mol−1
CAS   3476-88-8
Appearance    Powder
Purity    ≥ 98%

SL-164 and other chemicals sold on this website are for research and forensic medical examination.

The by-side physiological properties of SL-164 are unknown.

Complete chemical formula SL-164: 5-chloro-3-(4-chloro-2-methylphenyl)-2-methylquinazolin-4-one.

Storage conditions of this chemical: in a cool and dry place. The stability of this chemical compound can last up to 2 years, under the right storage conditions.

1-4g NO


12.00 EUR/g

5g 60.00 EUR


11.00 EUR/g

10g 110 EUR


7.50 EUR/g

20g 150 EUR


4.00 EUR/g

50g 200 EUR


3.20 EUR/g

100g 320 EUR


1.80 EUR/g

1k 1800 EUR

Make an order

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All orders are sent by EMS, DHL, UPS, TNT, FEDEX delivery services. Shipments come from China, Netherlands(warehouse), Switzerland(warehouse). The availability of goods, delivery time, the price of delivery check with the manager.


– it is the big trading history and experience in the market of research chemicals. – We accept various payment methods: Bitcoin (BTC), Litecoins (LTC), Bitcoin Cach (BCH), Ethereum (ETH), Payeer, Perfect Money, Advanced Cash, Visa/MasterCard.

What do you get when you buy a chemical on

– A printed bag of aluminum foil containing a chemical of the first class SL-164.

Powder, over 98 % pure.

We would like to draw your attention to the fact that before placing an order you checked the legality of the necessary chemicals. Independently check the list of prohibited substances in your country. We want you to place an order only for legally permitted substances in your country.

By purchasing chemical research on, you buy a quality chemical at a wholesale price without excess impurities and get a discount coupon for subsequent purchases on our site.

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