| CAS编号 | 中文名 | 英文名 | 分子式 | 分子量 | 熔点 | 沸点 |
| 50973-35-8 | | hydroxy-benzenesulfonic aci polymer with formaldehyde | | | | |
| 50974-47-5 | α-(1-氧代-2-丙烯基)-ω-(壬基苯氧基)-聚环氧乙烷 | 2-ethanediyl), .alpha.-(1-oxo-2-propenyl)-.omega.-(nonylphenoxy)-Poly(oxy-1 | (C2H4O)nC18H26O2 | | | |
| 50974-49-7 | | poly(oxy-1,2-ethanediyl), alpha-(2-methyl-1-oxo-2-propenyl)- omega -(nonylpheno | | | | |
| 50975-79-6 | | 3,6-bis(2-hydroxyethyl)-2,5-diketopiperazine | C8H14N2O4 | 202.21 | 188-192℃ | |
| 50976-02-8 | | acrylic acid, ((3a,4,7,7a-tetrahydro)4,7-methanoindenyl) ester | | | | |
| 50976-17-5 | | ar-ethenyl-n,n-dimethyl-benzenemethanamin | | | | |
| 50976-35-7 | | 3-naphthalenedisulfonic acid, 6-amino- disodium salt | | | | |
| 50977-09-8 | | 3-(isooctyloxy)-1-propanamin | | | | |
| 50977-10-1 | | 3-(isotridecyloxy)-1-propanamin | | | | |
| 50977-11-2 | 磷酸单异十三烷酯 | Phosphoric acid, monoisotridecyl ester | C13H29O4P | | | |
| 50977-65-6 | | dilithium salt | | | | |
| 50978-11-5 | | | C11H9I3N2O4.2H2O | 649.94 | | |
| 50978-40-0 | 3,5-二氯-2,6-二甲基吡啶-4-胺 | 3,5-dichloro-2,6-dimethylpyridin-4-amine | | | | |
| 50978-45-5 | n-甲酰基糖精 | n-formylsaccharin | | | | |
| 50979-18-5 | | sulfamic acid, compd. with guanidine (1:1) | | | | |
| 50979-29-8 | | 6-chloromercury-8-ethylthiazolo(3,2-a)pyrimidine-5,7-dione | | | | |
| 5098-11-3 | 4-氨基-1h-咪唑-5-甲腈 | 4-amino-1h-imidazole-5-carbonitrile | | | | |
| 5098-14-6 | 对苯二磺酸氨基丙二酰丁氰 | Aminomalononitrile p-toluenesulfonate | NH2CH(CN)2 · CH3C6H4SO3H | 253.28 | 174 ℃ (dec.)(lit.) | |
| 5098-16-8 | | 5-amino-2-methyl-4-oxazolecarbonitril | C5H5N3O | 123.11 | | |
| 5098-94-2 | | 4-[(2-methylphenyl)azo]-1-naphthaleno | | | | |
| 50980-32-0 | 红曲黄素 | ankaflavin | | | | |
| 50980-84-2 | | 1,2-propanediol, dibutanoate | | | | |
| 50980-93-3 | | 8,8a-Dihydro-8a-hydroxy-3,3,6,6,8,8-hexamethyl-1,2-benzodioxin-5,7(3H,6H)-dione | C14H20O5 | 268.31 | | |
| 50981-09-4 | | veronicoside | | | | |
| 50981-28-7 | | hexanedioic acid, polymer with 1,4-butanediol, 4,4'-methylenebis[benzenamine] a | | | | |
| 50982-12-2 | | dichloro(cycloocta-1,5-diene)ruthenium(ii) | C8H8Cl2Ru | 276.12 | | |
| 50982-13-3 | (1,5-环辛二烯)二氯化钌(II) | Dichloro(1,5-cyclooctadien)ruthenium(II),polymer | C8H12Cl2Ru | 280.15 | | |
| 50982-33-7 | | stemphol | | | | |
| 50982-40-6 | | fukinolic acid | | | | |
| 50982-66-6 | | 2-cyano-n-(2-chlorophenyl)-acetamide | | | | |
| 50982-74-6 | | 2-(4-amino-3-nitrophenoxy)-ethano | | | | |
| 50982-79-1 | | hexamethylenetetramine methyliodide | | | | |
| 50983-92-1 | | 2-chloro-n-(2-methoxyphenyl)propanamide | | | | |
| 50984-08-2 | | ethyl 1-benzyl-2-oxocyclopentanecarboxylate | | | | |
| 50984-43-5 | 2(或5)-氨基-5(或2)-[(4-氨基苯基)氨基]苯磺酸 | 2(or 5)-amino-5(or 2)-[(4-aminophenyl)amino]-Benzenesulfonic acid | | | | |
| 50984-52-6 | | anisaldehyde | | | | |
| 50984-88-8 | | p-xylenolphthaleine | C24H22O4 | 374.43 | | |
| 50985-30-3 | | n1,n1'-1,2-ethanediylbis-2-propanediamine | | | | |
| 50985-46-1 | | n-decylmaleamic acid | | | | |
| 50987-59-2 | | 2,3,4,4-tetramethyl-1-pentene | C9H18 | 126.24 | | |
| 50987-86-5 | | ,6-hexanediol | | | | |
| 50988-02-8 | C.I.分散黄51 | C.I. Disperse yellow 51 | | | | |
| 5099-06-9 | | n-(5-chloro-2-hydroxy-4-nitrophenyl)-benzamid | | | | |
| 5099-13-8 | | n-(4-amino-5-chloro-2-hydroxyphenyl)-benzamid | | | | |
| 5099-51-4 | | choline, chloride, nicotinate | | | | |
| 5099-52-5 | | choline, iodide, nicotinate | | | | |
| 5099-78-5 | | 2,6-methano-3-benzazocine-3(2h)-carboxamide, 1,4,5,6-tetrahydro-8-hydroxy-6-phe | | | | |
| 50990-40-4 | | 3-(4-methoxyphenyl)-1-(4-methylphenyl)prop-2-en-1-one | | | | |
| 50990-93-7 | 2,5-二甲基-3-呋喃甲酰氯 | 2,5-dimethyl-3-furoyl chloride | C7H7ClO2 | 158.58 | | 203℃ |
| 50991-08-7 | | cis-2-methyl-bicyclohexyl | C13H24 | 180.33 | | |
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