Three or more fused rings. Includes complex spirocyclic heterocycles.

Catalog Number	Structure	FW	Chemical Name and % Purity	Please scroll down for more structures
Catalog #:   FS011349 CASRN:   850349-56-3 MFCD #:   MFCD08457961		287	5-Bromo-1,1-(ethylenedithio)-indane (Purity >95%)	In Stock: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g 75 105 195 395 1900
Catalog #:   FS007995 CASRN:   1016683-99-0 MFCD #:   MFCD09810411		227	2,2-Difluoro-2H,5H,6H,7H-[1,3]dioxolo[4,5-f]indole-6,7-dione (Purity >95%)	In Stock: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g 295 495 795 2495
Catalog #:   FS001243 CASRN:   36170-23-7 MFCD #:   MFCD08706002		137	4-Aza-tricyclo[5.2.1.0 2,6 ]decane (Purity >95%)	4 weeks: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g     870 1870 3745 6245
Catalog #:   FS011350 CASRN:   850349-58-5 MFCD #:   MFCD08706149		301	5-Bromo-1,1-(propylenedithio)-indane (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       1350 2950 4950
Catalog #:   FS000292 CASRN:   885266-84-2 MFCD #:   MFCD08706276		240	6-Bromo-2,2-spirocyclobutane-2,3-dihydro-1H-imidazo[4,5-b]pyridine (Purity >95%)	3 weeks: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       1450 2950 4950
Catalog #:   FS000296 CASRN:   885266-86-4 MFCD #:   MFCD08706318		282	6-Bromo-2,2-spirocycloheptane-2,3-dihydro-1H-imidazo[4,5-b]pyridine (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       950 2450 3950
Catalog Number	Structure	FW	Chemical Name and % Purity	Please scroll down for more structures
Catalog #:   FS000295 CASRN:   885266-85-3 MFCD #:   MFCD08706278		254	6-Bromo-2,2-spirocyclopentane-2,3-dihydro-1H-imidazo[4,5-b]pyridine (Purity >95%)	2 weeks: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       850 1900 2900
Catalog #:   FS011601 CASRN:   885267-16-3 MFCD #:   MFCD08706331		281	8'-Bromo-spiro(cyclopentane-1,4'-(3'H)-1',2',3',4'-tetrahydroquinazoline)-2'-one (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       995 2450 3950
Catalog #:   FS000275 CASRN:   79363-47-6 MFCD #:   MFCD09037791		225	3-Chloro-6-hydrazino-4,5-diazatricyclo[6.2.2.2,7]dodeca-2(7),3,5-triene (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       895 2450 3950
Catalog #:   FS008732 CASRN:   1016782-99-2 MFCD #:   MFCD09934230		250	2,2-Difluoro-8-oxo-5,8-dihydro-[1,3]dioxolo[4,5-g]quinoline-7-carbonitrile (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       995 2495 4995
Catalog #:   FS005024 CASRN:   107191-21-9 MFCD #:   MFCD08706269		221	4,5-Dihydrospiro(furan-3(2H),2'(3'H)-thieno[2,3-b]pyridine)-2,3'-dione (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       950 2450 3950
Catalog #:   FS010912 CASRN:   915402-16-3 MFCD #:   MFCD08706358		252	1,1-(Ethylenedithio)-indane-5-boronic acid (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       1250 2950 5950
Catalog Number	Structure	FW	Chemical Name and % Purity	Please scroll down for more structures
Catalog #:   FS008792 CASRN:   135729-62-3 MFCD #:   MFCD07370072		333	Palonosetron Hydrochloride (Purity >95%)	Special Order*: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g         3995 7995
Catalog #:   FS005016 CASRN:   328010-06-6 MFCD #:		179	(1R, 2R, 5S, 7R)-2,8,8,trimethyl-3-azatricyclo[5.1.1.0{2,5}]nonane-4-one (Purity >95%)	3 weeks: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       1550 2950 4950
Catalog #:   FS005017 CASRN:   328010-05-5 MFCD #:   MFCD08706264		179	(1S, 2S, 5R, 7S)-2,8,8,Trimethyl-3-azatricyclo[5.1.1.0{2,5}]nonane-4-one (Purity >95%)	3 weeks: Price in US$ 10 mg 100 mg 250 mg 1g 5g 20g 50g       1950 3950 5950

*Note concerning Special Order chemicals: these are made to order with a typical lead time of 6 weeks. Minimum order sizes apply (usually 1 gram). Prices are listed in the catalog for available quantities only.