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| Cat. # | Description | CAS # | 
| CA-0877 | 5-Aminofluorescein | 3326-34-9 | 
| CA-0879 | 6-Aminofluorescein | 51649-83-3 | 
| CA-0878 | 5(6)-Aminofluorescein | 27599-63-9 | 
| CA-1657 | AMPPD | 122341-56-4 | 
| CA-1796 | 1-Azaspiro[4.5]decane-2,8-dione | 749861-03-8 | 
| CB-4128 | 2-Benzyl-2-azaspiro[3.5]nonan-7-one | 203661-65-8 | 
| CB-3809 | 8-Benzyl-1-phenyl-1,3,8-triazaspiro[4.5]decane-4-one | 974-41-4 | 
| CB-4516 | 8,8'-Bi(1,4-dioxaspiro[4.5]decane) | 194154-45-5 | 
| CB-4965 | N-[1,1'-Biphenyl]-2-yl-N-(9,9-dimethyl-9H-fluoren-2-yl)-9,9'-spirobi[9H-fluoren]-2-amine | 1364603-07-5 | 
| CB-4518 | N-([1,1'-Biphenyl]-2-yl)-N-(9,9-dimethyl-9H-fluoren-2-yl)-9,9'-spirobi[9H-fluoren]-4-amine | 1450933-44-4 | 
| CB-4314 | N-([1,1'-Biphenyl]-4-yl)-9,9'-spirobi[9H-fluoren]-2-amine | 1258514-95-2 | 
| CB-3975 | 2,4-Bis([1,1'-biphenyl]-4-yl)-6-(9,9'-spirobi[9H-fluoren]-2-yl)-1,3,5-triazine | 2172661-29-7 | 
| CB-3135 | (R)-(+)-7,7’-Bis(diphenylphosphino)-1,1’-spirobiindane | 917377-74-3 | 
| CB-1926 | (S)-(-)-7,7’-Bis(diphenylphosphino)-1,1’-spirobiindane | 528521-86-0 | 
| CB-4826 | 2',7'-Bis(diphenylphosphoryl)-9,9'-spirobi[9H-fluorene] | 1234510-13-4 | 
| CB-4005 | 2',7'-Bis(4-methyl-N-(4-methylphenyl)anilino)-9,9'-spirobi[fluorene]-2,7-dicarbonitrile | 1356154-65-8 | 
| CB-4505 | 2,7-Bis[N-(1-naphthyl)anilino]-9,9'-spirobi[9H-fluorene] | 932739-76-9 | 
| CB-3299 | 2-N-Boc-amino-7-azaspiro[3.5]nonane | 147611-03-8 | 
| CB-0449 | 8-N-Boc-3-amino-1-oxa-8-azaspiro[4.5]decane | 1160246-91-2 | 
| CB-5107 | 7-Boc-7-azaspiro[3.5]nonane-2-carbaldehyde | 1346556-73-7 | 
| CB-3318 | 2-(3-N-Boc)-3-azaspiro[5.5]undecan-9-yl)acetic acid | 952480-32-9 | 
| CB-3266 | 1-N-Boc-6-bromo-4-oxo-3,4-dihydro-1H-spiro(chromene-2,4-piperidine) | 690632-38-3 | 
| CB-3304 | 2-N-Boc-2,7-diazaspiro[3.5]nonane hydrochloride | 929302-18-1 | 
| CB-3305 | 2-N-Boc-2,8-diazaspiro[4.5]nonane hydrochloride | 869976-20-5 | 
| CB-3761 | 7-N-Boc-2,7-diazaspiro[3.5]nonane hydrochloride | 1023301-84-9 | 
| CB-3308 | 2-N-Boc-2,9-diazaspiro[5.5]undecane hydrochloride | 1023301-88-3 | 
| CB-3812 | 7-N-Boc-1,3-dioxo-2,7-diazaspiro[4.5]decane | 1160246-76-3 | 
| CB-3315 | 8-N-Boc-1,3-dioxo-2,8-diazaspiro[4.5]decane | 752234-60-9 | 
| CB-4014 | 2-N-Boc-6-hydroxy-2-aza-spiro[3.3]heptane | 1147557-97-8 | 
| CB-1436 | 1’-N-Boc-5-hydroxy-spiro[chroman-2,4’-piperidin]-4-one | 911227-79-7 | 
| CB-3760 | 6-N-Boc-1-oxa-6-azaspiro[2.5]octane | 147804-30-6 | 
| CB-2699 | 2-N-Boc-6-oxo-2-azaspiro[3.3]heptane | 1181816-12-5 | 
| CB-0655 | 8-N-Boc-1-oxo-2,8-diazaspiro[4.5]decane | 268550-48-7 | 
| CB-3316 | 8-N-Boc-3-oxo-2,8-diazaspiro[4.5]decane | 169206-67-1 | 
| CB-3813 | 6-N-Boc-1-oxo-2,6-diazaspiro[3.5]nonane | 1160246-71-8 | 
| CB-3314 | 7-N-Boc-1-oxo-2,7-diazaspiro[3.5]nonane | 1032158-48-7 | 
| CB-3752 | 1'-N-Boc-3-oxo-2,3-dihydrospiro[indene-1,4'-piperidine] | 159634-59-0 | 
| CB-0661 | 8-N-Boc-3-oxo-1-oxa-8-azaspiro[4.5]decane | 954236-44-3 | 
| CB-3288 | 1'-N-Boc-2-oxospiro[indoline-3,4'-piperidine]-5-carboxylic acid | 946135-52-0 | 
| CB-3753 | 1'-N-Boc-spiro[indene-1,4'-piperidine] | 137419-24-0 | 
| CB-3289 | 1(2H)-N-Boc-spiro[indole-3,4'-piperidine] | 676607-31-1 | 
| CB-3291 | 2(3H)-N-Boc-1H-spiro[isoquinoline-4,4'-piperidine] | 857898-70-5 | 
| CB-4461 | 2'-Bromo-2,7-di-tert-butyl-9,9'-spirobifluorene | 393841-81-1 | 
| CB-4464 | 3'-Bromo-10,10-dimethylspiro[anthracene-9(10H),9'-[9H]fluorene] | 2170533-42-1 | 
| CB-1491 | 3-(2-Bromo-1-oxopropyl)-spiro-2H-1,3-benzoxazine-2,1’-cyclohexan]-4(3H)-one | 158299-05-9 | 
| CB-4815 | 2'-Bromo-10-phenyl-10H-spiro(acridine-9,9'-fluorene) | 1241891-64-4 | 
| CB-4372 | 3'-Bromo-10-phenyl-10H-spiro[acridine-9,9-fluorene] | 1467099-22-4 | 
| CB-3538 | 3'-Bromospiro[adamantane-2,9'-fluorene] | 2629304-33-0 | 
| CB-3083 | 2'-Bromospiro[benzo[de]anthracene-7,9'-fluorene] | 1121545-29-6 | 
| CB-3084 | 3-Bromospiro[benzo[de]anthracene-7,9'-fluorene] | 1121545-27-4 | 
| CB-3526 | 2-Bromospiro(7H-benzo[c]fluorene-7,9'-[9H]fluorene) | 1099593-10-8 | 
| CB-4362 | 5-Bromospiro[7H-benzo[c]fluorene-7,9'-[9H]fluorene] | 1175203-78-7 | 
| CB-4363 | 9-Bromospiro[benzo[c]fluorene-7,9'-xanthene] | 2192306-77-5 | 
| CB-4360 | 1-Bromo-9,9'-spirobi[9H-fluorene] | 1450933-18-2 | 
| CB-3015 | 2-Bromo-9,9'-spirobi[9H-fluorene] | 171408-76-7 | 
| CB-4465 | 3-Bromo-9,9'-spirobi[9H-fluorene] | 1361227-58-8 | 
| CB-4282 | 4-Bromo-9,9'-spirobi[9H-fluorene] | 1161009-88-6 | 
| CB-4922 | 2'-Bromospiro[cyclohexane-1,9'-fluorene] | 797056-48-5 | 
| CB-4359 | 7'-Bromospiro[9H-fluorene-9,5'-[5H]indeno[1,2-b]pyridine] | 1666128-76-2 | 
| CB-4463 | 2-Bromospiro[9H-fluorene-9,8'-[8H]indolo[3,2,1-de]acridine] | 902518-12-1 | 
| CB-4361 | 3-Bromospiro[fluorene-9,9'-thioxanthene] | 2226172-75-2 | 
| CB-4408 | 2-Bromospiro[9H-fluorene-9,9'-[9H]xanthene] | 899422-06-1 | 
| CB-4462 | 2'-Bromospiro[9H-fluorene-9,9'-[9H]xanthene] | 1477458-14-2 | 
| CB-4813 | 3-Bromospiro[9H-fluorene-9,9'-[9H]xanthene] | 1609484-28-7 | 
| CB-4466 | 4-Bromospiro[9H-fluorene-9,9'-[9H]xanthene] | 1609484-45-8 | 
| CB-3530 | 2'-Bromo-9,9'-spirobi[fluorene]-2-ol | 1298108-45-8 | 
| CB-1845 | 7-Bromo-1,2,3,4-tetrahydronaphthalene-1-spiro-2'-(1',3'-dioxacyclopentane) | 111773-13-8 | 
| CB-3171 | (R)-7-tert-Butoxycarbonylamino-5-azaspiro[2.4]heptane | 127199-44-4 | 
| CB-3172 | (S)-7-tert-Butoxycarbonylamino-5-azaspiro[2.4]heptane | 127199-45-5 | 
| CB-5103 | (3S)-tert-Butyl 4-hydroxy-3-methyl-2-oxa-8-azaspiro[4.5]decane-8-carboxylate | 1801766-82-4 | 
| CC-0922 | 5-Carboxyfluorescein | 76823-03-5 | 
| CC-0930 | 6-Carboxyfluorescein | 3301-79-9 | 
| CC-0923 | 5(6)-Carboxyfluorescein | 72088-94-9 | 
| CC-0924 | 5-Carboxyfluorescein diacetate | 79955-27-4 | 
| CC-0931 | 6-Carboxyfluorescein 
        diacetate | 3348-03-6 | 
| CC-0925 | 5(6)-Carboxyfluorescein diacetate | 124387-19-5 | 
| CC-0926 | 5-Carboxyfluorescein N-succinimidyl ester | 92557-80-7 | 
| CC-0932 | 6-Carboxyfluorescein N-succinimidyl ester | 92557-81-8 | 
| CC-0927 | 5(6)-Carboxyfluorescein 
        N-succinimidyl ester | 117548-22-8 | 
| CC-1851 | (R)-2,3-Cyclohexylideneglyceraldehyde | 78008-36-3 | 
| CD-0206 | 2,8-Diazaspiro[4.5]decan-3-one hydrochloride | 945892-88-6 | 
| CD-1820 | 1,3-Diazaspiro(4.4)nonane-2,4-dione | 699-51-4 | 
| CD-1692 | 2,7-Diazaspiro[4.5]-1-one HCL | 1187173-43-8 | 
| CD-1978 | 2,7-Dibromo-4,5-diaza-9,9-spirobifluorene | 198142-63-1 | 
| CD-1952 | 5,9-Dibromospiro[7H-benzo[c]fluorene-7,9'-[9H]fluorene] | 1242570-65-5 | 
| CD-0487 | 2,2'-Dibromo-9,9'-spirobifluorene | 67665-47-8 | 
| CD-0951 | 2,7-Dibromo-9,9'-spirobifluorene | 171408-84-7 | 
| CD-2288 | 3,6-Dibromo-9,9'-spirobifluorene | 1373114-50-1 | 
| CD-1558 | 2',7'-Dibromospiro[fluorene-9,9'-xanthene] | 1346002-88-7 | 
| CD-1186 | (S)-4,4'-Dimethoxy-7,7'-dihydroxy -1,1'-spirobiindane | 636601-30-4 | 
| CD-0960 | 3,3-Dimethyl-1,5-dioxaspiro[5.5]undecan-9-one | 69225-59-8 | 
| CD-1110 | 3',3'-Dimethyl-1'-(β-hydroxyethyl)-6-nitrospiro[2H-1-benzopyran-2,2'-indoline] | 16111-07-2 | 
| CD-0176 | 1,1-Dimethyl-2-oxa-8-azaspiro[4.5]decane hydrochloride | 374794-98-6 | 
| CD-1842 | 1,4-Dioxaspiro[4.5]decane-8-carbonitrile | 69947-09-7 | 
| CD-1971 | 6,10-Dioxaspiro[4.5]decane-7,9-dione | 58093-05-3 | 
| CD-0204 | 1,4-Dioxaspiro[4.5]dec-7-en-8-yl trifluoromethanesulfonate | 170011-47-9 | 
| CD-1826 | (E)-3-(1,4-Dioxaspiro[4.5]dec-7-en-7-yl)acrylic acid | 226916-19-4 | 
| CD-1405 | 2,4-Diphenyl-6-(9,9'-spirobi[9H-fluorene]-2-yl)-1,3,5-triazine | 1207176-84-8 | 
| CD-2390 | 2,4-Diphenyl-6-(9,9'-spirobi[fluorene]-3-yl)-1,3,5-triazine | 1639424-37-5 | 
| CD-1560 | 2,7-Di([2,2':6',2"-terpyridin]-4'-yl)-9,9'-spirobifluorene | 1935683-70-7 | 
| CF-1290 | 2-N-Fmoc-8-N-Boc-2,8-diazaspiro[4.5]decane-3-carboxylic acid | 849928-23-0 | 
| CM-2035 | 1-Methyl-4-(1,4-dioxaspiro[4.5]decan-8-yl)piperazine | 155778-83-9 | 
| CO-0053 | 1-Oxa-8-azaspiro[4.5]decan-2-one hydrochloride | 374794-92-0 | 
| CO-0037 | 2-Oxa-8-azaspiro[4.5]decan-1-one hydrochloride | 4427-25-2 | 
| CO-0109 | 2-Oxaspiro[4.5]decane-1,3-dione | 6051-25-8 | 
| CP-0987 | 4-Phenyl-2,8-diazaspiro[4.5]decan-3-one | 79139-66-5 | 
| CP-1014 | 10-Phenyl-10H-spiro[acridine-9,9'-fluorene]-3-boronic acid pinacol ester | 1808110-58-8 | 
| CS-0205 | (R)-(+)-ShiP | 656233-53-3 | 
| CS-0206 | (S)-(-)-ShiP | 885701-71-3 | 
| CS-0207 | (R)-(+)-SIPHOS | 443965-14-8 | 
| CS-0208 | (S)-(-)-SIPHOS | 443965-10-4 | 
| CS-0209 | (Rα,R,R)-(+)-SIPHOS-PE | 500997-69-3 | 
| CS-0210 | (Sα,R,R)-(-)-SIPHOS-PE | 500997-70-6 | 
| CS-0054 | Spiro[acridine-9(10H),9'-[9H]fluorene] | 92638-81-8 | 
| CS-0078 | Spiro[benzo[de]anthracene-7,9'-fluorene] | 1121545-26-3 | 
| CS-0201 | 3H-Spiro[2-benzofuran-1,4'-piperidine] | 38309-60-3 | 
| CS-0222 | Spiro[benzo[d][1,3]oxazine-4,4'-piperidin]-2(1H)-one | 84060-09-3 | 
| CS-0082 | 5,5'-Spirobi(dibenzosilole) | 159-68-2 | 
| CS-0045 | 9,9'-Spirobi[9H-fluorene] | 159-66-0 | 
| CS-0062 | 9,9'-Spirobi[9H-fluorene]-2'-amine | 118951-68-1 | 
| CS-0052 | 9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine | 376356-61-5 | 
| CS-0061 | Spiro[9H-fluorene-9,9'-[9H]xanthene]-2,2',7,7'-tetramine | 1887794-22-0 | 
| CS-0229 | 9-(9,9'-Spirobifluoren-3-yl)-9'-phenyl-3,3'-bicarbazole | 1630029-29-6 | 
| CS-0074 | (R)-1,1'-Spirobiindane-7,7'-diamine | 1041434-65-4 | 
| CS-0081 | (S)-1,1'-Spirobiindane-7,7'-diamine | 885462-88-4 | 
| CS-0220 | (Rα)-1,1'-Spirobiindane-7,7'-diol | 223259-62-9 | 
| CS-0221 | (Sα)-1,1'-Spirobiindane-7,7'-diol | 223259-63-0 | 
| CS-0213 | (Rα,S,S)-(+)-SpiroBOX | 890090-21-8 | 
| CS-0214 | (Sα,S,S)-(-)-SpiroBOX | 940880-69-3 | 
| CS-0027 | Spiro[cyclopropane-1,3'-indol]-2'(1'H)-one | 13861-75-1 | 
| CS-0200 | 9,9-Spirodifluorene-1-boronic acid | 1561044-65-2 | 
| CS-0063 | 9,9-Spirodifluorene-2-boronic acid | 236389-21-2 | 
| CS-0084 | 9,9-Spirodifluorene-4-boronic acid | 1421789-05-0 | 
| CS-0067 | 9,9-Spirodifluorene-2-boronic acid pinacol ester | 884336-44-1 | 
| CS-0032 | Spiro[9H-fluorene-9,7'(12'H)-indeno[1,2-a]carbazole] | 1615703-28-0 | 
| CS-0068 | Spiro[9H-fluorene-9,9'-xanthene] | 159-62-6 | 
| CS-0069 | Spiro(9H-fluorene-9,9'-[9H]xanthene-3-boronic acid pinacol ester | 2225963-98-2 | 
| CS-0073 | Spiro[9H-fluorene-9,9'-[9H]xanthene-4-boronic acid pinacol ester | 1609484-75-4 | 
| CS-0223 | Spiro[indene-1,4'-piperidine] | 33042-66-9 | 
| CS-0224 | Spiro[indene-1,4'-piperidin]-3(2H)-one | 180465-55-8 | 
| CS-0001 | Spiro[indoline-3,4'-piperidine] | 171-75-5 | 
| CS-0020 | Spiro(indoline-3,4'-piperidin)-2-one | 252882-61-4 | 
| CS-0203 | Spiro(indoline-3,4'-piperidin)-2-one hydrochloride | 356072-46-3 | 
| CS-0227 | 3H-Spiro[isobenzofuran-1,4'-piperidin]-3-one | 37663-46-0 | 
| CS-0225 | Spiro[isochroman-1,4'-piperidine] | 180160-97-8 | 
| CS-0204 | Spiro[4.4]nonane-1,6-dione | 27723-43-9 | 
| CT-0481 | 2,2',7,7'-Tetrabromo-9,9'-spirobifluorene | 128055-74-3 | 
| CT-0946 | 1,2,3,5-Tetrahydro-spiro[4H-1-benzazepine-4,1'-[2]cyclopentene]-3'-carboxylic acid | 813426-13-0 | 
| CT-0245 | 2,2',7,7'-Tetrakis (N,N-di-p-methoxy-phenylamine)-9,9'-spirobifluorene | 207739-72-8 | 
| CT-1116 | 2,2',7,7'-Tetrakis(N,N-diphenylamino)-9,9'-spirobifluorene | 189363-47-1 | 
| CT-0495 | 1,3,3-Trimethylspiro[indoline-2,3'-[3H]naphth[2,1-b][1,4]oxazine] | 27333-47-7 |