Collection: Heterocyclic Building Blocks
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2171965-43-6 | tert-Butyl 2-(aminomethyl)-1,4-dioxa-9-azaspiro[5.5]undecane-9-carboxylate
![CAS RN 2171965-43-6 | tert-Butyl 2-(aminomethyl)-1,4-dioxa-9-azaspiro[5.5]undecane-9-carboxylate | MFCD32647746](//hoffmanchemicals.com/cdn/shop/files/Image_2171965-43-6_e59c06cb-a0ea-4ce9-bb42-c20db15f6d31.jpg?v=1768335651&width=2400)
2171965-43-6 | tert-Butyl 2-(aminomethyl)-1,4-dioxa-9-azaspiro[5.5]undecane-9-carboxylate
- Regular price
- $1,694.00 - $4,337.00
- Sale price
- $1,694.00 - $4,337.00
- Regular price
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2172031-72-8 | tert-Butyl 2-(iodomethyl)-1,4-dioxa-9-azaspiro[5.5]undecane-9-carboxylate
![CAS RN 2172031-72-8 | tert-Butyl 2-(iodomethyl)-1,4-dioxa-9-azaspiro[5.5]undecane-9-carboxylate | MFCD32702372](//hoffmanchemicals.com/cdn/shop/files/Image_2172031-72-8_b33aec77-3ce2-4c36-8c74-90a1606433be.jpg?v=1768335607&width=2400)
2172031-72-8 | tert-Butyl 2-(iodomethyl)-1,4-dioxa-9-azaspiro[5.5]undecane-9-carboxylate
- Regular price
- $1,394.00 - $3,569.00
- Sale price
- $1,394.00 - $3,569.00
- Regular price
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2243515-58-2 | (5,8-Dioxaspiro[3.5]nonan-6-yl)methanamine hydrochloride
![CAS RN 2243515-58-2 | (5,8-Dioxaspiro[3.5]nonan-6-yl)methanamine hydrochloride | MFCD31668645](//hoffmanchemicals.com/cdn/shop/files/Image_2243515-58-2_dc4f9014-7c92-4be8-b0ad-c822414c5efc.jpg?v=1768335650&width=2400)
2243515-58-2 | (5,8-Dioxaspiro[3.5]nonan-6-yl)methanamine hydrochloride
- Regular price
- $1,694.00 - $4,337.00
- Sale price
- $1,694.00 - $4,337.00
- Regular price
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2169583-65-5 | 6-(Iodomethyl)-5,8-dioxaspiro[3.5]nonane
![CAS RN 2169583-65-5 | 6-(Iodomethyl)-5,8-dioxaspiro[3.5]nonane | MFCD32874319](//hoffmanchemicals.com/cdn/shop/files/Image_2169583-65-5_9b37be71-f498-433c-a3b8-e3830d8872f8.jpg?v=1768335649&width=2400)
2169583-65-5 | 6-(Iodomethyl)-5,8-dioxaspiro[3.5]nonane
- Regular price
- $1,394.00 - $3,569.00
- Sale price
- $1,394.00 - $3,569.00
- Regular price
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2147868-82-2 | tert-Butyl 2-(aminomethyl)-1-oxa-9-azaspiro[5.5]undecane-9-carboxylate
![CAS RN 2147868-82-2 | tert-Butyl 2-(aminomethyl)-1-oxa-9-azaspiro[5.5]undecane-9-carboxylate | MFCD32269294](//hoffmanchemicals.com/cdn/shop/files/Image_2147868-82-2_46459517-99e0-40f3-a994-4bad24990428.jpg?v=1768335603&width=2400)
2147868-82-2 | tert-Butyl 2-(aminomethyl)-1-oxa-9-azaspiro[5.5]undecane-9-carboxylate
- Regular price
- $1,694.00 - $4,337.00
- Sale price
- $1,694.00 - $4,337.00
- Regular price
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2174002-11-8 | (2,6-Dioxaspiro[4.5]decan-7-yl)methanamine hydrochloride
![CAS RN 2174002-11-8 | (2,6-Dioxaspiro[4.5]decan-7-yl)methanamine hydrochloride | MFCD31616513](//hoffmanchemicals.com/cdn/shop/files/Image_2174002-11-8_2ee0c13f-372d-42ff-82fa-300cbd8eefd9.jpg?v=1768335557&width=2400)
2174002-11-8 | (2,6-Dioxaspiro[4.5]decan-7-yl)methanamine hydrochloride
- Regular price
- $1,694.00 - $4,337.00
- Sale price
- $1,694.00 - $4,337.00
- Regular price
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1251009-52-5 | tert-Butyl 6-(aminomethyl)-5-oxa-2-azaspiro[3.5]nonane-2-carboxylate
![CAS RN 1251009-52-5 | tert-Butyl 6-(aminomethyl)-5-oxa-2-azaspiro[3.5]nonane-2-carboxylate | MFCD14581240](//hoffmanchemicals.com/cdn/shop/files/Image_1251009-52-5_19fd4813-6bc4-4ab9-9d5c-88cc9e463c1e.jpg?v=1768335602&width=2400)
1251009-52-5 | tert-Butyl 6-(aminomethyl)-5-oxa-2-azaspiro[3.5]nonane-2-carboxylate
- Regular price
- $1,694.00 - $4,337.00
- Sale price
- $1,694.00 - $4,337.00
- Regular price
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2551117-07-6 | tert-Butyl 6-(aminomethyl)-5-oxaspiro[3.5]nonane-2-carboxylate
![CAS RN 2551117-07-6 | tert-Butyl 6-(aminomethyl)-5-oxaspiro[3.5]nonane-2-carboxylate | MFCD32878951](//hoffmanchemicals.com/cdn/shop/files/Image_2551117-07-6_63bc2402-cac7-4580-bc61-abca594daffd.jpg?v=1768335602&width=2400)
2551117-07-6 | tert-Butyl 6-(aminomethyl)-5-oxaspiro[3.5]nonane-2-carboxylate
- Regular price
- $1,694.00 - $4,337.00
- Sale price
- $1,694.00 - $4,337.00
- Regular price
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![CAS RN 2171965-43-6 | tert-Butyl 2-(aminomethyl)-1,4-dioxa-9-azaspiro[5.5]undecane-9-carboxylate | MFCD32647746](http://hoffmanchemicals.com/cdn/shop/files/Image_2171965-43-6_e59c06cb-a0ea-4ce9-bb42-c20db15f6d31.jpg?v=1768335651&width=2400)
![CAS RN 2172031-72-8 | tert-Butyl 2-(iodomethyl)-1,4-dioxa-9-azaspiro[5.5]undecane-9-carboxylate | MFCD32702372](http://hoffmanchemicals.com/cdn/shop/files/Image_2172031-72-8_b33aec77-3ce2-4c36-8c74-90a1606433be.jpg?v=1768335607&width=2400)
![CAS RN 2243515-58-2 | (5,8-Dioxaspiro[3.5]nonan-6-yl)methanamine hydrochloride | MFCD31668645](http://hoffmanchemicals.com/cdn/shop/files/Image_2243515-58-2_dc4f9014-7c92-4be8-b0ad-c822414c5efc.jpg?v=1768335650&width=2400)
![CAS RN 2169583-65-5 | 6-(Iodomethyl)-5,8-dioxaspiro[3.5]nonane | MFCD32874319](http://hoffmanchemicals.com/cdn/shop/files/Image_2169583-65-5_9b37be71-f498-433c-a3b8-e3830d8872f8.jpg?v=1768335649&width=2400)
![CAS RN 2147868-82-2 | tert-Butyl 2-(aminomethyl)-1-oxa-9-azaspiro[5.5]undecane-9-carboxylate | MFCD32269294](http://hoffmanchemicals.com/cdn/shop/files/Image_2147868-82-2_46459517-99e0-40f3-a994-4bad24990428.jpg?v=1768335603&width=2400)
![CAS RN 2174002-11-8 | (2,6-Dioxaspiro[4.5]decan-7-yl)methanamine hydrochloride | MFCD31616513](http://hoffmanchemicals.com/cdn/shop/files/Image_2174002-11-8_2ee0c13f-372d-42ff-82fa-300cbd8eefd9.jpg?v=1768335557&width=2400)
![CAS RN 1251009-52-5 | tert-Butyl 6-(aminomethyl)-5-oxa-2-azaspiro[3.5]nonane-2-carboxylate | MFCD14581240](http://hoffmanchemicals.com/cdn/shop/files/Image_1251009-52-5_19fd4813-6bc4-4ab9-9d5c-88cc9e463c1e.jpg?v=1768335602&width=2400)
![CAS RN 2551117-07-6 | tert-Butyl 6-(aminomethyl)-5-oxaspiro[3.5]nonane-2-carboxylate | MFCD32878951](http://hoffmanchemicals.com/cdn/shop/files/Image_2551117-07-6_63bc2402-cac7-4580-bc61-abca594daffd.jpg?v=1768335602&width=2400)