Pre-registered substances - ECHA

Pre-registered substances

Pre-registered substances

Pre-registered substances

These pre-registration intentions were submitted to ECHA between 1 June and 1 December 2008. Use this list to find other potential registrants of your substance so that you can submit a registration dossier jointly, as required by REACH.

Database contains 145299 unique substances/entries.

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Showing 9,801 - 9,900 of 145,299 results.

Name	EC / List no.	CAS no.	Synonyms	Envisaged registration deadline	Related substances
Pyrrolidine, 1-[(1E)-2-(2-nitrophenyl)ethenyl]-	608-812-2	32989-69-8		31-May-2018	-
pyroxidal-5-phosphate	918-165-0	-		31-May-2018	-
Pyrogenium	921-460-7	-		31-May-2018	-
Pyrimido[5,4-g]pteridine-2,4,6,8-tetramine, 4-methylbenzenesulfonate (1:?)	608-887-1	335356-93-9		31-May-2018	-
Pyrimido[1,2-a]benzimidazole-2,4(3H,10H)-dione	603-843-8	13467-36-2		31-May-2018	-
Pyrimido[1,2-a]benzimidazole-2,4(1H,3H)-dione, 3,3'-(1H-isoindole-1,3(2H)-diylidene)bis-	618-084-8	87886-49-5		31-May-2018	-
Pyrimidinium, 1-(3-sulfopropyl)-, inner salt	603-648-8	13268-99-0		31-May-2018	-
Pyrimidine, 5-fluoro-4-hydrazinyl-2-methoxy-	605-444-4	166524-64-7		31-May-2018	-
Pyrimidine, 5-ethyl-2,4-bis[(trimethylsilyl)oxy]-	608-586-5	31167-05-2		31-May-2018	-
Pyrimidine, 5-chloro-4,6-difluoro-	921-458-6	25096-66-6		31-May-2018	-
Pyrimidine, 5-chloro-2,4-difluoro-6-methyl-	921-626-9	72630-78-5		31-May-2018	-
Pyrimidine, 5-butyl-2-(4'-fluoro[1,1'-biphenyl]-4-yl)-	619-134-1	95495-17-3		31-May-2018	-
Pyrimidine, 4-methyl-2-(methylthio)-	604-169-7	14001-63-9		31-May-2018	-
Pyrimidine, 4-chloro-6-ethyl-5-fluoro-	604-010-1	137234-74-3		31-May-2018	-
Pyrimidine, 4,6-dimethyl-2-(methylthio)-	604-170-2	14001-64-0		31-May-2018	-
Pyrimidine, 4,6-dimethyl-2-(methylsulfonyl)-	609-077-0	35144-22-0		31-May-2018	-
Pyrimidine, 4,6-dimethoxy-2-(methylsulfonyl)-	601-266-6	113583-35-0		31-May-2018	-
Pyrimidine, 4,6-dichloro-2-phenyl-	609-426-7	3740-92-9		31-May-2018	-
Pyrimidine, 4,6-dichloro-2-methyl-	605-815-0	1780-26-3		31-May-2018	-
Pyrimidine, 4,5,6-trichloro-	605-816-6	1780-27-4		31-May-2018	-
Pyrimidine, 2-chloro-4,6-dimethoxy-	603-561-5	13223-25-1		31-May-2018	-
Pyrimidine, 2-(4-fluorophenyl)-5-pentyl-	619-132-0	95495-03-7		31-May-2018	-
Pyrimidine, 2-(4'-fluoro[1,1'-biphenyl]-4-yl)-5-propyl-	619-133-6	95495-15-1		31-May-2018	-
Pyrimidine, 2-(4'-fluoro[1,1'-biphenyl]-4-yl)-5-pentyl-	619-135-7	95495-18-4		31-May-2018	-
Pyrimidine, 2,4-dichloro-5-(trifluoromethyl)-	609-648-4	3932-97-6		31-May-2018	-
Pyrimidine, 2,4,5-trichloro-6-methyl-	918-256-5	6554-69-4		31-May-2018	-
Pyrimidine, 1,4,5,6-tetrahydro-1,2-bis(2-methylpropyl)-	602-895-9	122813-53-0		31-May-2018	-
Pyrido[2,1-a][2]benzazepine-4-carboxylic acid, 7-[[(2S)-2-(acetylthio)-3-methyl-1-oxobutyl]amino]-1,2,3,4,6,7,8,12b-octahydro-6-oxo-, (4S,7S,12bR)-	610-338-6	473289-62-2		31-May-2018	-
Pyrido[2,1-a][2]benzazepine-4-carboxylic acid, 7-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-1,2,3,4,6,7,8,12b-octahydro-6-oxo-, (4S,7S,12bR)-	604-296-8	142589-81-9		31-May-2018	-
Pyridinium, 4-ethenyl-1-methyl-, iodide (1:1)	606-746-9	21351-43-9		31-May-2018	-
Pyridinium, 4-ethenyl-1-(3-sulfopropyl)-, inner salt	610-054-2	4271-44-7		31-May-2018	-
Pyridinium, 4-[2-[[(6R,7R)-2-carboxy-7-[[(2Z)-2-(ethoxyimino)-2-[5-(phosphonoamino)-1,2,4-thiadiazol-3-yl]acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]thio]-4-thiazolyl]-1-methyl-, inner salt acetate, hydrate (1:1:1)	617-889-1	866021-48-9		31-May-2018	-
Pyridinium, 4-[2-(4-formylphenyl)ethenyl]-1-methyl-, methyl sulfate (1:1)	616-086-3	74401-04-0		31-May-2018	-
Pyridinium, 4-[(2,3-dihydro-5,6-dimethoxy-1-oxo-1H-inden-2-yl)methyl]-1-(phenylmethyl)-, chloride (1:1)	609-585-2	388115-12-6		31-May-2018	-
Pyridinium, 4-[(2,3-dihydro-5,6-dimethoxy-1-oxo-1H-inden-2-yl)methyl]-1-(phenylmethyl)-, bromide (1:1)	607-201-8	231283-82-2		31-May-2018	-
Pyridinium, 4-(aminocarbonyl)-1-(2-methoxyphenyl)-, chloride (1:1)	605-577-8	170353-22-7		31-May-2018	-
Pyridinium, 4-(aminocarbonyl)-1-(2,4-dinitrophenyl)-, chloride (1:1)	600-895-3	109041-28-3		31-May-2018	-
Pyridinium, 3-hydroxy-1-methyl-, bromide (1:1)	608-573-4	31034-86-3		31-May-2018	-
Pyridinium, 3-carboxy-1-(3-sulfopropyl)-, inner salt	619-075-1	94773-05-4		31-May-2018	-
Pyridinium, 3-(aminocarbonyl)-1-(2,3-dihydroxypropyl)-, perchlorate (1:1)	605-421-9	165967-38-4		31-May-2018	-
Pyridinium, 3-(aminocarbonyl)-1-(2,3-dihydroxypropyl)-, (S)-	605-422-4	165967-41-9		31-May-2018	-
Pyridinium, 2-ethenyl-1-methyl-, iodide	606-402-8	19916-89-3		31-May-2018	-
Pyridinium, 2-chloro-5-methyl-1-(phenylmethyl)-, chloride (1:1)	605-566-8	170013-21-5		31-May-2018	-
Pyridinium, 2-chloro-1-methyl-, methyl sulfate (1:1)	615-618-1	71854-94-9		31-May-2018	-
Pyridinium, 1-hexyl-, chloride (1:1)	612-956-1	6220-15-1		31-May-2018	-
Pyridinium, 1-butyl-, μ-chlorohexachlorodialuminate(1-) (1:1)	614-033-9	67226-45-3		31-May-2018	-
Pyridinium, 1-[[2-carboxy-7-[[[[2-(1,1-dimethylethoxy)-1,1-dimethyl-2-oxoethoxy]imino][2-[(triphenylmethyl)amino]-4-thiazolyl]acetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-, inner salt, [6R-[6α,7β(Z)]]-, compd. with N,N-dimethylformamide (2:5)	617-560-2	84377-83-3		31-May-2018	-
Pyridinium, 1-[[(6R,7R)-7-amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-, iodide, hydrate (1:1:1)	606-216-7	190651-18-4		31-May-2018	-
Pyridinium, 1-[[(6R,7R)-7-amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-, inner salt	608-973-9	3432-88-0		31-May-2018	-
Pyridinium, 1-[[(6R,7R)-7-[[(2Z)-(2-amino-4-thiazolyl)[[2-(1,1-dimethylethoxy)-1,1-dimethyl-2-oxoethoxy]imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-, inner salt	600-349-4	102772-66-7		31-May-2018	-
Pyridinium, 1-[[(6R,7R)-7-[[(2Z)-(2-amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-, inner salt, hydrate (1:5)	616-626-8	78439-06-2		31-May-2018	-
Pyridinium, 1-[[(6R,7R)-7-[[(2Z)-(2-amino-4-thiazolyl)[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-, chloride, monohydrochloride	615-984-2	73547-70-3		31-May-2018	-
Pyridinium, 1-[4-[[3-[(aminocarbonyl)amino]-4-[2-(3,6,8-trisulfo-2-naphthalenyl)diazenyl]phenyl]amino]-6-[[4-[2-(4-sulfophenyl)diazenyl]phenyl]amino]-1,3,5-triazin-2-yl]-3-carboxy-, inner salt	610-369-5	475983-50-7		31-May-2018	-
Pyridinium, 1-[(diethylamino)carbonyl]-4-(2-sulfoethyl)-, inner salt	601-379-0	115685-19-3		31-May-2018	-
Pyridinium, 1-[(4-ethenylphenyl)methyl]-4-(2-sulfoethyl)-, inner salt	617-897-5	866139-36-8		31-May-2018	-
Pyridinium, 1-(carboxymethyl)-, ar-Me derivs., inner salts	605-081-1	157089-27-5		31-May-2018	-
Pyridinium, 1-(2-propen-1-yl)-, chloride (1:1)	607-835-5	25965-81-5		31-May-2018	-
Pyridinium, 1-(2-hydroxyethyl)-4-methyl-, sulfate (2:1)	605-071-7	156738-24-8		31-May-2018	-
Pyridinium, 1-(2-hydroxy-3-sulfopropyl)-, inner salt	614-814-4	68928-53-0		31-May-2018	-
Pyridinium, 1-(2-benzothiazolyl)-4-(2-oxo-1-pyrrolidinyl)-, chloride (1:1)	606-475-6	202482-12-0		31-May-2018	-
Pyridinium, 1,2-dimethyl-, iodide (1:1)	617-993-7	872-73-1		31-May-2018	-
Pyridinium, 1,1'-[1,4-phenylenebis[imino[6-[[8-hydroxy-3,6-disulfo-7-[(2-sulfophenyl)azo]-1-naphthalenyl]amino]-1,3,5-triazine-4,2-diyl]]]bis[3-carboxy-, bis(inner salt), hexasodium salt	600-253-2	101948-58-7		31-May-2018	-
pyridine-3,4,5-tricarboxylic acid	928-488-9	-		31-May-2018	-
Pyridine, 5-ethyl-2-[2-(4-nitrophenoxy)ethyl]-	924-745-4	85583-54-6		31-May-2018	-
Pyridine, 5-bromo-2-nitro-	609-748-8	39856-50-3		31-May-2018	-
Pyridine, 5-bromo-2-methoxy-	603-856-9	13472-85-0		31-May-2018	-
Pyridine, 5-bromo-2-iodo-	606-990-6	223463-13-6		31-May-2018	-
Pyridine, 5-bromo-2-ethoxy-	611-323-7	55849-30-4		31-May-2018	-
Pyridine, 5-(chloromethyl)-2-methyl-, hydrochloride (1:1)	600-763-5	106651-81-4		31-May-2018	-
Pyridine, 4-phenoxy-	610-387-3	4783-86-2		31-May-2018	-
Pyridine, 4-methyl-3-nitro-, hydrochloride (1:1)	617-743-7	856835-53-5		31-May-2018	-
Pyridine, 4-methoxy-2,3,5-trimethyl-	600-915-0	109371-19-9		31-May-2018	-
Pyridine, 4-ethoxy-3-nitro-	605-864-8	1796-84-5		31-May-2018	-
Pyridine, 4-chloro-3-nitro-	603-447-5	13091-23-1		31-May-2018	-
Pyridine, 4-chloro-3-methoxy-2-methyl-, 1-oxide	602-491-2	122307-41-9		31-May-2018	-
Pyridine, 4-chloro-3-methoxy-2-methyl-	600-829-3	107512-34-5		31-May-2018	-
Pyridine, 4-chloro-2,3-dimethyl-, 1-oxide	611-910-8	59886-90-7		31-May-2018	-
Pyridine, 4-[4-(trifluoromethoxy)phenoxy]-	925-617-0	1083099-54-0		31-May-2018	-
Pyridine, 4-[2-(triethoxysilyl)ethyl]-	619-335-4	98299-74-2		31-May-2018	-
Pyridine, 4-(4-fluorophenyl)-1,2,3,6-tetrahydro-1-(phenylmethyl)-, 4-methylbenzenesulfonate (1:1)	606-457-8	201855-54-1		31-May-2018	-
Pyridine, 3-methoxy-2-nitro-	606-480-3	20265-37-6		31-May-2018	-
Pyridine, 3-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-	610-275-4	458532-88-2		31-May-2018	-
Pyridine, 3-bromo-6-chloro-2-methyl-	603-643-0	132606-40-7		31-May-2018	-
Pyridine, 3-bromo-4-methyl-	608-967-6	3430-22-6		31-May-2018	-
Pyridine, 3-(1H-imidazol-5-yl)-	610-720-2	51746-85-1		31-May-2018	-
Pyridine, 3,6-dichloro-2-(trichloromethyl)-	605-944-2	1817-13-6		31-May-2018	-
Pyridine, 3,5-dimethyl-4-nitro-2-[(triphenylmethoxy)methyl]-	606-287-4	193154-95-9		31-May-2018	-
Pyridine, 2-methoxy-4-methyl-	600-136-6	100848-70-2		31-May-2018	-
Pyridine, 2-methoxy-4-(trifluoromethyl)-	606-870-3	219715-34-1		31-May-2018	-
Pyridine, 2-iodo-	610-520-5	5029-67-4		31-May-2018	-
Pyridine, 2-ethoxy-5-nitro-	608-647-6	31594-45-3		31-May-2018	-
Pyridine, 2-chloro-4-methyl-3-nitro-	607-192-0	23056-39-5		31-May-2018	-
Pyridine, 2-chloro-4-(trifluoromethyl)-	617-242-3	81565-18-6		31-May-2018	-
Pyridine, 2-bromo-5-methyl-	609-062-9	3510-66-5		31-May-2018	-
Pyridine, 2-bromo-5-(methylsulfonyl)-	608-970-2	343262-51-1		31-May-2018	-
Pyridine, 2-bromo-4-(1-piperidinylmethyl)-	618-107-1	88046-02-0		31-May-2018	-
Pyridine, 2-[3-[2,6-dichloro-4-[(3,3-dichloro-2-propen-1-yl)oxy]phenoxy]propoxy]-5-(trifluoromethyl)-	605-845-4	179101-81-6		31-May-2018	-
Pyridine, 2-[2-(triethoxysilyl)ethyl]-	608-472-5	30382-71-9		31-May-2018	-
Pyridine, 2-[1-(4-methylphenyl)-3-(1-pyrrolidinyl)-1-propenyl]-, trans-, ethanedioate (1:1)	610-657-0	51366-19-9		31-May-2018	1
Pyridine, 2-[(2-chloro-4-nitrophenoxy)methyl]-	605-865-3	179687-79-7		31-May-2018	-

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