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Paracetamol Impurity E
Paracetamol Impurity E CAS：99-93-4
同义名： 4’-羟基苯乙酮; 4-羟基苯乙酮; 对已酰苯酚; 对羟基苯乙酮; 4'-羟基苯乙酮; 4-羟基乙酰苯; 4-乙酰苯酚; P-羟基苯乙酮; 1-(4-hydroxyphenyl)-ethanon; 4’-hydroxy-acetophenon; 4-Hydroksyacetofenol; Acetophenone, p-hydroxy-; Ethanone, 1-(4-hydroxyphenyl)-; Hydroxyacetophenone, para; Methyl p-hydroxyphenyl ketone; methyl-p-hydroxyphenylketone;

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熔点:		旋光度:
沸点:		闪点:
水溶性:	10 g/L (22 ºC)	折射率:
敏感性:		密度:
性状:	Crystalline Powder	存储条件:

对羟基苯甲醛
4-Hydroxybenzaldehyde CAS：123-08-0 MDL：MFCD00006939
同义名：对甲醛苯酚; 甲醛基苯酚; 对羟基苯甲醛; 对羟基苯醛; 4-羟基苯甲醛; 尼泊金酸; 对苯酚甲醛; 对羟基安息香醛; 4-hydroxy-benzaldehyd; 4-hydroxybenzaldehyde,p-formylphenol,4-formylphenol; 4-Hydroxybenzenecarbonal; Benzaldehyde, p-hydroxy-; benzaldehyde,-hydroxy-; p-Formylphenol; p-hydroxy-benzaldehyd; p-Hydroxybenzaldlehyde;

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熔点:	112-116 °C(lit.)<br>	旋光度:
沸点:	191°C 50mm	闪点:	174°C
水溶性:	13 g/L (30 ºC)	折射率:	1.5105 (estimate)
敏感性:	Air Sensitive	密度:	1,129 g/cm<sup>3</sup>
性状:	Crystalline Powder	存储条件:	Store at 2-8°C

4-羟基苯甲脒盐酸盐
4-Hydroxybenzamidine hydrochloride CAS：38148-63-9 MDL：MFCD00136405
同义名： 4-羟基苯甲脒盐酸盐; 对羟基苯甲脒; 对羟基苯甲脒盐酸盐; 4-羟基苄脒盐酸盐; 苯甲脒, 4-羟基-, 盐酸盐 (1:1); 4-羟基苯甲基脒; 4-羟基苄脒盐酸盐,96%; 4-羟基苄脒盐酸盐 1G; LABOTEST-BB LT00080464; 4-HYDROXYPHENYL-1-CARBOXAMIDINE HYDROCHLORIDE; 4-HYDROXY-BENZAMIDINE HCL; 4-HYDROXYBENZAMIDINE HYDROCHLORIDE; SALOR-INT L496618-1EA; 4-amidinophenolhydrochloride; 4-hydroxybenzenecarboximidamidemonohydrochloride; 4-hydroxy-benzenecarboximidamidmonohydrochloride;

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熔点:	223-226	旋光度:
沸点:	313.9 °C at 760 mmHg	闪点:
水溶性:	Soluble in water.	折射率:
敏感性:	Hygroscopic	密度:
性状:		存储条件:	室温

Acetylsalicylic Acid Impurity A (Aspirin Impurity A)
Acetylsalicylic Acid Impurity A (Aspirin Impurity A) CAS：99-96-7
同义名：对苯酚甲酸; 对羟基安息香酸; 对羟基苯甲酸(普通级); 对羟基苯甲酸(液晶级); 4-羟基苯甲酸; 羟基安息香酸; 4-羟基苯甲酸,99%; 對位氫氧基苯甲酸; 4-hydroxy-benzoicaci; acidop-idrossibenzoico; Benzoic acid, p-hydroxy-; benzoicacid,4-hydroxy; Benzoicacid,4-hydroxy-; Hydroxybenzoic acid, para; Kyselina 4-hydroxybenzoova; kyselina4-hydroxybenzoova;

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熔点:		旋光度:
沸点:		闪点:
水溶性:	5 g/L (20 ºC)	折射率:
敏感性:		密度:
性状:	Crystalline Powder	存储条件:

4-Hydroxybenzonitrile
4-Hydroxybenzonitrile CAS：767-00-0
同义名： 4-氰基苯酚(CNPO); 对羟基苯甲腈/对氰基苯酚; 4-羟基苯甲腈/对氰基苯酚; 对氰基苯酚,对羟基苯腈; 对羟基苯甲腈(4-羟基苯甲腈); 4-氰基苯酚, 97+%; 对氰基苯酚,99%; 4-羟基苯甲腈 1KG; p-hydroxy benzonitrile，p-cyano phenol; 4-Hydroxybenzenecarbonitrile; P-nitrile; Right hydroxybenzonitrile; 4-Cyanophenol, 99% 100GR; 4-Cyanophenol, 99% 25GR; 4-HYDROXYBENZONITRILE FOR SYNTHESIS; 4-Cyanophenol, 97+%;

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熔点:		旋光度:
沸点:		闪点:
水溶性:	slightly soluble	折射率:
敏感性:		密度:
性状:	Crystalline Powder	存储条件:

4-羟基二苯甲酮
(4-Hydroxyphenyl)(phenyl)methanone CAS：1137-42-4 MDL：MFCD00002355
同义名： (4-羟基苯基)苯基甲酮; 4-羟基苯基苯甲酮; 4-羟基二苯甲酮; 4-羟基二苯酮; 4-羟基-二苯甲酮; 对苯甲酰苯酚; 对羟基二苯甲酮; (4-hydroxyphenyl)phenyl-methanon; 4-hydroxy-benzophenon; 4-Hydroxydiphenylketone; 4-Hydroxyphenylphenylketone; Benzophenone, 4-hydroxy-; benzoylphenol; P-BENZOYLPHENOL; POB;

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熔点:	132-135 °C(lit.)<br>	旋光度:
沸点:	260-262°C 42mm	闪点:	260-262°C/24mm
水溶性:	Insoluble in water.	折射率:	1.5954 (estimate)
敏感性:		密度:	1.1184 (rough estimate)
性状:	Powder	存储条件:	Refrigerator

比索诺尔杂质
Bisoprolol Alcohol Impurity CAS：623-05-2
同义名：对羟基苯甲醇(对羟基苄醇); 4-羟基苯甲醇(+4℃); 4-羟基苄醇(富马酸比索洛尔中间体); 4-羟基苯甲醇/对羟基苯甲醇/对羟基苄醇; 比索洛尔醇杂质; 对羟基苯甲醇, 98%+; 对羟基苯甲醇,97%; 对羟基苯甲醇(标准品); 4-hydroxyphenyl Methanol; 4-(Hydroxymethyl)phenol 98%; 4-Hydroxybenzyl alcohol, (4-Hydroxyphenyl)methanol; 4-Hydroxybenzyl alcohol, 97% 25GR; The hydroxy benzyl alcohol; P-hydroxylbenzyl alcohol; P-(HYDROXYMETHYL)PHENOL; P-HYDROXYBENZYL ALCOHOL;

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熔点:		旋光度:
沸点:		闪点:
水溶性:	Soluble in water (6.7 mg/ml at 20°C), dioxane (100 mg/ml), 1N NaOH (50 mg/ml), DMSO, and methanol.	折射率:
敏感性:	Light Sensitive/Air Sensitive	密度:
性状:	Crystalline Powder	存储条件:

4-hydroxybutane-1-sulfonic acid
4-hydroxybutane-1-sulfonic acid CAS：26978-64-3
同义名：

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熔点:		旋光度:
沸点:		闪点:
水溶性:		折射率:
敏感性:		密度:
性状:		存储条件:

4-羟基咔唑
9H-Carbazol-4-ol CAS：52602-39-8 MDL：MFCD02178385
同义名：对羟基咔唑; 4-羟基咔唑; 4-羟基卡唑; 9H-咔唑-4-醇; 卡维地洛对羟基咔唑杂质; 4-羟基咔唑 1KG; 卡维地洛中间体2; 卡维地洛4-羟基咔唑杂质; 9H-CARBAZOL-4-OL; 4-HYDROXYCARBAZOLE; 4 HYDROXY 9(H)CARBAZOLE; 4-Carbazolol; SKF 106023; 4-HYDROXYCARBAZOLE(CARVEDILOL INTERMEDIATE ); 9H-CARBAZOLE-4-OL; p-HydroxycarBazole;

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熔点:	169-173 °C(lit.)<br>	旋光度:
沸点:	431.4 °C at 760 mmHg	闪点:
水溶性:		折射率:
敏感性:		密度:
性状:	Powder	存储条件:	-20°C Freezer

4-Hydroxy Coumarin
4-Hydroxy Coumarin CAS：1076-38-6
同义名：对-羟基香豆素; 4-羟基香豆素, 98+%; 4-羟基-1-苯并吡喃-2-酮; 4-羟基香豆素; 4-羟基香豆素(> 98%,BR); 4-羟基香豆; 4-羟基香豆素 1KG; 华法林钠EP杂质B; 4-hydroxy-2h-1-benzopyran-2-on; 4-hydroxy-coumari; 4-Hydroxycoumarine; Benzotertonicacid; Benzotetronic acid; Coumarin, 4-hydroxy-; 4-HYDROXYCOUMARIN, FOR FLUORESCENCE; 4-Hydroxycoumarin99%;

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