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4-methoxy-1-phenylselanylbut-3-en-2-one

CAS No. : 62680-12-0 Formula : C11H12O2Se Molecular Weight. : 255.172 Check Encyclopedia

Synonyms : 3-Buten-2-one,4-methoxy-1-(phenylseleno)-,(E);

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4-(triphenyl-λ<sup>5</sup>-phosphanylidene)but-2-enal

CAS No. : 82393-39-3 Formula : C22H19OP Molecular Weight. : 330.359 Check Encyclopedia

Synonyms : 2-Butenal,4-(triphenylphosphoranylidene)-,(E); 4-oxo butenylenetriphenylphosphorane;

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N-(2-hydroxy-4-phenyl-3-butenyl)phthalimide

CAS No. : 100423-02-7 Formula : C18H15NO3 Molecular Weight. : 293.317 Check Encyclopedia

Synonyms : (E)-4-phenyl-1-phthalimido-3-buten-2-ol;

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Fumaric acid mono-tert-butyl ester

CAS No. : 135355-96-3 Formula : C8H12O4 Molecular Weight. : 172.178 Check Encyclopedia

Synonyms : 2-Butene-1,4-dithiol,(2E); (E)-but-2-enedioic acid mono-tert-butyl ester; (E)-3-t-butoxycarbonyl-2-butenoic acid; fumaric acid tert-butyl ester; trans-1.4-Dimercapto-buten-(2); 1,4-dithiol-butene-2-ene; (E)-4-(tert-butoxy)-4-oxobut-2-enoic acid; (2E)-butenedioic acid mono-tert-butyl ester; trans-2-butene-1,4-dithiol; (E)-but-2-ene-1,4-dithiol; (E)-4-(tert-butyloxy)-4-oxobut-2-enoic acid; But-2t-en-1,4-dithiol; 2-butene-1,4-dithiol; but-2t-ene-1,4-dithiol;

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(Z)-2-methoxy-but-2-ene

CAS No. : 25125-85-3 Formula : C5H10O Molecular Weight. : 86.1323 Check Encyclopedia

Synonyms : [Z]-2-methoxy-2-butene; (E)-2-methoxybut-2-ene; (Z)-2-Methoxy-2-buten; (Z)-2-methoxybut-2-ene; (Z)-2-Methoxy-2-butene;

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4-oxobut-2-enyl propanoate

CAS No. : 85514-71-2 Formula : C7H10O3 Molecular Weight. : 142.152 Check Encyclopedia

Synonyms : 2-Butenal,4-(1-oxopropoxy)-,(E); trans-4-(propionyloxy)crotonaldehyde;

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4-anilino-3-chlorobut-2-en-1-ol

CAS No. : 61888-11-7 Formula : C10H12ClNO Molecular Weight. : 197.661 Check Encyclopedia

Synonyms : 2-Buten-1-ol,3-chloro-4-(phenylamino)-,(E);

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4-triethylsilyl-4-trimethylsilylbut-3-en-2-one

CAS No. : 90313-68-1 Formula : C13H28OSi2 Molecular Weight. : 256.532 Check Encyclopedia

Synonyms : 3-Buten-2-one,4-(triethylsilyl)-4-(trimethylsilyl)-,(E);

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3-triethylsilyl-4-trimethylsilylbut-3-en-2-one

CAS No. : 90313-67-0 Formula : C13H28OSi2 Molecular Weight. : 256.532 Check Encyclopedia

Synonyms : 3-Buten-2-one,3-(triethylsilyl)-4-(trimethylsilyl)-,(E);

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acetic acid,4-chloro-3-methylbut-2-en-1-ol

CAS No. : 24529-80-4 Formula : C7H13ClO3 Molecular Weight. : 180.629 Check Encyclopedia

Synonyms : 2-Buten-1-ol,4-chloro-3-methyl-,acetate,(E); 1-chloro-2-methyl-4-acetoxy-2-butene; (E)-1-O-acetyl-4-chloro-3-methyl-2-buten-1-ol; (E)-4-chloro-3-methyl-2-buten-1-ol acetate; 2-Buten-1-ol,4-chloro-3-methyl-,acetate,(Z); 4-chloro-3-methyl-2-buten-1-ol acetate; 1-acetoxy-4-chloro-3-methyl-but-2-ene; 4-chloro-3-methyl-1-acetoxy-2-butene; 1-chloro-2-methyl-4-acetoxybut-2-ene;

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2-bromo-3-chlorobut-2-ene

CAS No. : 80687-89-4 Formula : C4H6BrCl Molecular Weight. : 169.447 Check Encyclopedia

Synonyms : trans-2-chloro-3-bromo-2-butene; 2-Butene,2-bromo-3-chloro-,(E); 2-bromo-3-chloro-2-butene,trans;

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2-chloro-4-propylsulfanylbut-2-en-1-ol

CAS No. : 38311-38-5 Formula : C7H13ClOS Molecular Weight. : 180.696 Check Encyclopedia

Synonyms : 2-Buten-1-ol,2-chloro-4-(propylthio)-,(E); 2-chloro-4-propylthio-2-buten-1-ol; 2-Buten-1-ol,2-chloro-4-(propylthio); (E)-2-chloro-4-propylsulfanyl-but-2-en-1-ol;

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trans-2-buten-1-yl diazoacetate

CAS No. : 14746-03-3 Formula : C6H8N2O2 Molecular Weight. : 140.14 Check Encyclopedia

Synonyms : ACETICACIDTO,2-DIAZO-,(2E)-2-BUTEN-1-YLESTER; trans-Diazoessigsaeure-crotylester; (E)-but-2-enyl 2-diazoacetate; Acetic acidto, 2-diazo-, (2E)-2-buten-1-yl ester; trans-2-buten-1-yl diazoacetate; Diazo-acetic acid (E)-but-2-enyl ester;

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(E)-1-iodobut-2-ene

CAS No. : 627-24-7 Formula : C4H7I Molecular Weight. : 182.003 Check Encyclopedia

Synonyms : 2-Butene,1-iodo; 1-iodo-but-2-ene; Crotyliodid; 1-CH3-C3H4I; 1-Iodo-2-butene; 2-Butene, 1-iodo-; crotyl iodide; (E)-1-iodo-but-2-ene;

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4-(benzenesulfonyl)-3-methylbut-2-en-1-ol

CAS No. : 53588-16-2 Formula : C11H14O3S Molecular Weight. : 226.292 Check Encyclopedia

Synonyms : 2-Buten-1-ol,3-methyl-4-(phenylsulfonyl); Phenylsulfonyl-2-methyl-3-buten-2-ol-1; 2-Buten-1-ol,3-methyl-4-(phenylsulfonyl)-,(Z); 1-phenyl sulfonyl-2-methyl-4-hydroxy-but-2-ene; Phenylsulfonyl-4-methyl-3-buten-2-ol-1; (E)-4-hydroxy-2-methyl-1-phenylsulfonyl-2-butene; 2-Buten-1-ol,3-methyl-4-(phenylsulfonyl)-,(E);

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Hypertoxic Chemicals

2,3-DICHLOROHEXAFLUORO-2-BUTENE

CAS No. : 303-04-8 Formula : C4Cl2F6 Molecular Weight. : 232.939 Check Encyclopedia

Synonyms : 2,3-dichlorohexafluoro-2-buten; E/Z-2,3-dichlorohexafluoro-2-butene; 2,3-DICHLOROHEXAFLUOROBUT-2-ENE; cfc1316; 2,3-DICHLOROHEXAFLUOROBUTENE-2; Dchfb; 2-Butene,2,3-dichlorohexafluoro; 2,3-dichloro-1,1,1,4,4,4-hexafluoro-but-2-ene; 2-Butene, 2,3-dichloro-1,1,1,4,4,4-hexafluoro-; cfc1316mxx; 1,1,1,4,4,4-hexafluorodichloro-2-butene;

This is a controlled substance.

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1-acetoxy-4-chloro-2-methyl-2-butene

CAS No. : 62393-11-7 Formula : C7H11ClO2 Molecular Weight. : 162.614 Check Encyclopedia

Synonyms : trans-1-Acetoxy-4-chlor-2-methyl-2-buten; (E)-4-Chlor-2-methyl-2-buten-1-ol;

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trans-1,2-Bis-trimethylsilyloxy-ethylen

CAS No. : 61845-79-2 Formula : C8H20O2Si2 Molecular Weight. : 204.414 Check Encyclopedia

Synonyms : E-2,3-bis(trimethylsiloxy)-2-butene; (E)-1,2-Bis-trimethylsilanyloxy-ethene;

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1-phenyl-2-buten-1-one

CAS No. : 35660-91-4 Formula : C10H10O Molecular Weight. : 146.186 Check Encyclopedia

Synonyms : crotonophenone; (E)-1-phenylbuten-2-en-1-one; (E)-phenyl-2-buten-1-one; crotonoylbenzene; phenyl (E)-1-propenyl ketone;

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(((E)-But-2-enyl)oxy)trimethylsilan

CAS No. : 86739-16-4 Formula : C7H16OSi Molecular Weight. : 144.287 Check Encyclopedia

Synonyms : crotyl trimethylsilyl ether; Trimethylsilyl But-2-enyl Ether; (E)-1-trimethylsiloxy-2-butene; trans-1-(trimethylsilyloxy)-2-butene;

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4-methoxy-1-phenylselanylbut-3-en-2-one

4-(triphenyl-λ<sup>5</sup>-phosphanylidene)but-2-enal

N-(2-hydroxy-4-phenyl-3-butenyl)phthalimide

Fumaric acid mono-tert-butyl ester

(Z)-2-methoxy-but-2-ene

4-oxobut-2-enyl propanoate

4-anilino-3-chlorobut-2-en-1-ol

4-triethylsilyl-4-trimethylsilylbut-3-en-2-one

3-triethylsilyl-4-trimethylsilylbut-3-en-2-one

acetic acid,4-chloro-3-methylbut-2-en-1-ol

2-bromo-3-chlorobut-2-ene

2-chloro-4-propylsulfanylbut-2-en-1-ol

trans-2-buten-1-yl diazoacetate

(E)-1-iodobut-2-ene

4-(benzenesulfonyl)-3-methylbut-2-en-1-ol

2,3-DICHLOROHEXAFLUORO-2-BUTENE

1-acetoxy-4-chloro-2-methyl-2-butene

trans-1,2-Bis-trimethylsilyloxy-ethylen

1-phenyl-2-buten-1-one

(((E)-But-2-enyl)oxy)trimethylsilan