Collection: Heterocyclic Building Blocks
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129852-39-7 | 3-(3,4-Dimethoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine
![CAS RN 129852-39-7 | 3-(3,4-Dimethoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine](//hoffmanchemicals.com/cdn/shop/files/Image_129852-39-7_8675b446-315b-4869-953a-4a41a4acbf63.jpg?v=1752386861&width=2400)
129852-39-7 | 3-(3,4-Dimethoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine
- Regular price
- $1,398.00 - $3,494.00
- Sale price
- $1,398.00 - $3,494.00
- Regular price
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80144-46-3 | 3-(4-Methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine
![CAS RN 80144-46-3 | 3-(4-Methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine](//hoffmanchemicals.com/cdn/shop/files/Image_80144-46-3_eb94957d-445c-4d84-8c0b-7bc80ff52f12.jpg?v=1752386859&width=2400)
80144-46-3 | 3-(4-Methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine
- Regular price
- $1,398.00 - $3,494.00
- Sale price
- $1,398.00 - $3,494.00
- Regular price
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42754-69-8 | 3-Phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine
![CAS RN 42754-69-8 | 3-Phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine](//hoffmanchemicals.com/cdn/shop/files/Image_42754-69-8_d25db02b-4c24-48d8-8e86-99e99be83475.jpg?v=1752386855&width=2400)
42754-69-8 | 3-Phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine
- Regular price
- $1,398.00 - $3,494.00
- Sale price
- $1,398.00 - $3,494.00
- Regular price
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2429889-63-2 | 3-(3-Fluoro-4-methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine
![CAS RN 2429889-63-2 | 3-(3-Fluoro-4-methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine](//hoffmanchemicals.com/cdn/shop/files/Image_2429889-63-2_2f2213f1-881d-4e77-af58-c30cc908d439.jpg?v=1752386850&width=2400)
2429889-63-2 | 3-(3-Fluoro-4-methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine
- Regular price
- $1,498.00 - $3,744.00
- Sale price
- $1,498.00 - $3,744.00
- Regular price
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2173069-74-2 | 2-Bromo-6-methoxy-4,5-dimethylbenzo[d]thiazole
![CAS RN 2173069-74-2 | 2-Bromo-6-methoxy-4,5-dimethylbenzo[d]thiazole](//hoffmanchemicals.com/cdn/shop/files/Image_2173069-74-2_e8303cb8-3131-424b-a6ab-8de6b878933e.jpg?v=1752386846&width=2400)
2173069-74-2 | 2-Bromo-6-methoxy-4,5-dimethylbenzo[d]thiazole
- Regular price
- $1,698.00 - $4,245.00
- Sale price
- $1,698.00 - $4,245.00
- Regular price
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1368043-97-3 | 6-Methoxy-4,5-dimethylbenzo[d]thiazol-2-amine
![CAS RN 1368043-97-3 | 6-Methoxy-4,5-dimethylbenzo[d]thiazol-2-amine](//hoffmanchemicals.com/cdn/shop/files/Image_1368043-97-3_138c0be4-e078-4953-9d2e-b6d8dd9ad105.jpg?v=1752386842&width=2400)
1368043-97-3 | 6-Methoxy-4,5-dimethylbenzo[d]thiazol-2-amine
- Regular price
- $1,498.00 - $2,995.00
- Sale price
- $1,498.00 - $2,995.00
- Regular price
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2173069-66-2 | 2-Bromo-4-chloro-5-fluoro-6-methoxybenzo[d]thiazole
![CAS RN 2173069-66-2 | 2-Bromo-4-chloro-5-fluoro-6-methoxybenzo[d]thiazole](//hoffmanchemicals.com/cdn/shop/files/Image_2173069-66-2_81e459d7-3715-4bfa-a8e1-e95e08ee9735.jpg?v=1752386836&width=2400)
2173069-66-2 | 2-Bromo-4-chloro-5-fluoro-6-methoxybenzo[d]thiazole
- Regular price
- $2,298.00 - $2,987.00
- Sale price
- $2,298.00 - $2,987.00
- Regular price
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2173069-67-3 | 4-Chloro-5-fluoro-6-methoxybenzo[d]thiazol-2-amine
![CAS RN 2173069-67-3 | 4-Chloro-5-fluoro-6-methoxybenzo[d]thiazol-2-amine](//hoffmanchemicals.com/cdn/shop/files/Image_2173069-67-3_e163fd33-7227-4cbd-b989-e1adde03ece2.jpg?v=1752386833&width=2400)
2173069-67-3 | 4-Chloro-5-fluoro-6-methoxybenzo[d]thiazol-2-amine
- Regular price
- $1,598.00 - $3,195.00
- Sale price
- $1,598.00 - $3,195.00
- Regular price
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![CAS RN 129852-39-7 | 3-(3,4-Dimethoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine](http://hoffmanchemicals.com/cdn/shop/files/Image_129852-39-7_8675b446-315b-4869-953a-4a41a4acbf63.jpg?v=1752386861&width=2400)
![CAS RN 80144-46-3 | 3-(4-Methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine](http://hoffmanchemicals.com/cdn/shop/files/Image_80144-46-3_eb94957d-445c-4d84-8c0b-7bc80ff52f12.jpg?v=1752386859&width=2400)
![CAS RN 42754-69-8 | 3-Phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine](http://hoffmanchemicals.com/cdn/shop/files/Image_42754-69-8_d25db02b-4c24-48d8-8e86-99e99be83475.jpg?v=1752386855&width=2400)
![CAS RN 2429889-63-2 | 3-(3-Fluoro-4-methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-amine](http://hoffmanchemicals.com/cdn/shop/files/Image_2429889-63-2_2f2213f1-881d-4e77-af58-c30cc908d439.jpg?v=1752386850&width=2400)
![CAS RN 2173069-74-2 | 2-Bromo-6-methoxy-4,5-dimethylbenzo[d]thiazole](http://hoffmanchemicals.com/cdn/shop/files/Image_2173069-74-2_e8303cb8-3131-424b-a6ab-8de6b878933e.jpg?v=1752386846&width=2400)
![CAS RN 1368043-97-3 | 6-Methoxy-4,5-dimethylbenzo[d]thiazol-2-amine](http://hoffmanchemicals.com/cdn/shop/files/Image_1368043-97-3_138c0be4-e078-4953-9d2e-b6d8dd9ad105.jpg?v=1752386842&width=2400)
![CAS RN 2173069-66-2 | 2-Bromo-4-chloro-5-fluoro-6-methoxybenzo[d]thiazole](http://hoffmanchemicals.com/cdn/shop/files/Image_2173069-66-2_81e459d7-3715-4bfa-a8e1-e95e08ee9735.jpg?v=1752386836&width=2400)
![CAS RN 2173069-67-3 | 4-Chloro-5-fluoro-6-methoxybenzo[d]thiazol-2-amine](http://hoffmanchemicals.com/cdn/shop/files/Image_2173069-67-3_e163fd33-7227-4cbd-b989-e1adde03ece2.jpg?v=1752386833&width=2400)