Cas No|Cas Number|CAS Registry Number:26889-93-0 .Chemical Name|Molecular Name:L-Amoxicillin Formulanor:C16H19N3O5S Synonyms:4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[(2S)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-, (2S,5R,6R)-, (2S,5R,6R)-6-{[(2S)-2-Amino-2-(4-hydroxyphenyl)acetyl]amino}-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, UNII-623M8I9SZN, p-Hydroxyampicillin, Amoxicillin Impurity 2 Molecular Weight:365.404
26889-93-0 Molecular Info »Cas Chemical NameCas No
Cas No|Cas Number|CAS Registry Number:75567-37-2 .Chemical Name|Molecular Name:Ingenol 3-mebutate Formulanor:C25H34O6 Synonyms:Indoxyl |A-D-galactopyranoside, 3-O-angeloylingenol, 2-Butenoic acid, 2-methyl-, (1aR,2R,5R,5aS,6S,8aS,9R,10aR)-1a,2,5,5a,6,9,10,10a-octahydro-5,5a-dihydroxy-4-(hydroxymethyl)-1,1,7,9-tetramethyl-11-oxo-1H-2,8a-methanocyclopenta[a]cyclopropa[e]cyclodecen-6-yl ester, (2Z)-, Ingenol 3-angelate, 3-Indolyl-b-D-galactopyranoside, (1S,4S,5S,6R,9R,10R,12R,14R)-5,6-Dihydroxy-7-(hydroxymethyl)-3,11,11,14-tetramethyl-15-oxotetracyclo[7.5.1.0<sup>1,5</sup>.0<sup>10,12</sup>]pentadeca-2,7-dien-4-yl (2Z)-2-methyl-2-butenoate, indican (glucoside), Picato, Ingenol mebutate, (1S,4S,5S,6R,9R,10R,12R,14R)-5,6-Dihydroxy-7-(hydroxymethyl)-3,11,11,14-tetramethyl-15-oxotetracyclo[7.5.1.0.0]pentadeca-2,7-dien-4-yl (2Z)-2-methyl-2-butenoate, Ingenol-3-angelate, 3-Ingenyl angelate, 3-Angeloylingenol Molecular Weight:430.534
75567-37-2 Molecular Info »Cas No|Cas Number|CAS Registry Number:73873-87-7 .Chemical Name|Molecular Name:Iloprost Formulanor:C22H32O4 Synonyms:6,9alpha-methylene-11alpha,15s-dihydroxy-16-methyl-prosta-5e,13e-dien-18-yn-1-oic acid, (5E)-5-[(3aS,5R,6aS)-5-Hydroxy-4-[(1E,3S)-3-hydroxy-4-methyl-1-octen-6-yn-1-yl]hexahydro-2(1H)-pentalenylidene]pentanoic acid, (5E)-5-((3aS,5R,6aS)-5-(Hydroxy)-4-((1E,3S)-3-(hydroxy)-4-methyloct-1-en-6-yn-1-yl)hexahydropentalen-2(1H)-ylidene)pentanoic Acid, ciloprost, (E)-(3aS,4R,5R,6aS)-Hexahydro-5-hydroxy-4-((E)-(3S,4RS)-3-hydroxy-4-methyl-1-octen-6-ynyl)-D2(1H),D-pentalenevaleric Acid, Pentanoic acid, 5-[(3aS,5R,6aS)-hexahydro-5-hydroxy-4-[(1E,3S)-3-hydroxy-4-methyl-1-octen-6-yn-1-yl]-2(1H)-pentalenylidene]-, (5E)-, (16R,S)-Methyl-18,18,19,19-tetradehydro-6a-carbaprostaglandin I2, pentanoic acid, 5-[(3aS,5R,6aS)-hexahydro-5-hydroxy-4-[(1E,3S)-3-hydroxy-4-methyl-1-octen-6-ynyl]-2(1H)-pentalenylidene]-, (5E)-, (5E)-5-[(3aS,5R,6aS)-5-Hydroxy-4-[(1E,3S)-3-hydroxy-4-methyloct-1-en-6-yn-1-yl]hexahydropentalen-2(1H)-ylidene]pentanoic acid Molecular Weight:360.487
73873-87-7 Molecular Info »Cas No|Cas Number|CAS Registry Number:256934-39-1 .Chemical Name|Molecular Name:HU-308 Formulanor:C27H42O3 Synonyms:{(1R,4S,5R)-4-[2,6-Dimethoxy-4-(2-methyl-2-octanyl)phenyl]-6,6-dimethylbicyclo[3.1.1]hept-2-en-2-yl}methanol, HU-308, Bicyclo[3.1.1]hept-2-ene-2-methanol, 4-[4-(1,1-dimethylheptyl)-2,6-dimethoxyphenyl]-6,6-dimethyl-, (1R,4S,5R)- Molecular Weight:414.621
256934-39-1 Molecular Info »Cas No|Cas Number|CAS Registry Number:52286-59-6 .Chemical Name|Molecular Name:Ginsenoside Re Formulanor:C48H82O18 Synonyms:β-D-Glucopyranoside, (3β,6α,12β)-20-(β-D-glucopyranosyloxy)-3,12-dihydroxydammar-24-en-6-yl 2-O-(6-deoxy-α-L-mannopyranosyl)-, chikusetsusaponinivc, Ginsenoside Re, Panaxoside, (2S,3R,4S,5S,6R)-2-({(2S)-2-[(3S,5R,6S,8R,9R,10R,12R,13R,14R,17S)-6-{[(2R,3R,4S,5S,6R)-4,5-Dihydroxy-6-(hydroxymethyl)-3-{[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl]oxy}tetrahydro-2H-pyran-2-yl]oxy}-3,12-dihydroxy-4,4,8,10,14-pentamethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl]-6-methyl-5-hepten-2-yl}oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol, (3β,6α,12β)-20-(β-D-Glucopyranosyloxy)-3,12-dihydroxydammar-24-en-6-yl 2-O-(6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranoside, gingenoside Re, ginsenoside-Re standard, (3β,6α,12β)-20-(β-D-Glucopyranosyloxy)-3,12-dihydroxydammar-24-en-6-yl-2-O-(6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranoside, ginsenoside-Re, GINSENOSIDE GINSENOSIDE-RE, EINECS 257-814-6, ginsenosideb2, (3β,6α,12β)-6-{[2-O-(6-Deoxy-α-L-mannopyranosyl)-β-D-glucopyranosyl]oxy}-3,12-dihydroxydammar-24-en-20-yl β-D-glucopyranoside, MFCD00133369, (2S,3R,4S,5S,6R)-2-({(2S)-2-[(3S,5R,6S,8R,9R,10R,12R,13R,14R,17S)-6-{[(2R,3R,4S,5S,6R)-4,5-Dihydroxy-6-(hydroxyméthyl)-3-{[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-méthyltétrahydro-2H-pyran-2-yl]oxy}tétrahydro-2H-pyran-2-yl]oxy}-3,12-dihydroxy-4,4,8,10,14-pentaméthylhexadécahydro-1H-cyclopenta[a]phénanthrén-17-yl]-6-méthyl-5-heptèn-2-yl}oxy)-6-(hydroxyméthyl)tétrahydro-2H-pyran-3,4,5-triol, β-D-Glucopyranoside, (3β,6α,12β)-6-[[2-O-(6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranosyl]oxy]-3,12-dihydroxydammar-24-en-20-yl Molecular Weight:947.154
52286-59-6 Molecular Info »Cas No|Cas Number|CAS Registry Number:468-44-0 .Chemical Name|Molecular Name:Gibberellin A4 Formulanor:C19H24O5 Synonyms:4a,1-(Epoxymethano)-7,9a-methanobenz[a]azulene-10-carboxylic acid, dodecahydro-2-hydroxy-1-methyl-8-methylene-13-oxo-, (1S,2S,4bR,7R,10S,10aR)-, 4a,1-(Epoxymethano)-7,9a-methanobenz[a]azulene-10-carboxylic acid, dodecahydro-2-hydroxy-1-methyl-8-methylene-13-oxo-, (2S,4aR,4bR,7R,9aR,10S,10aR)-, (2R,5R,9S,10R,11S,12S)-12-Hydroxy-11-methyl-6-methylene-16-oxo-15-oxapentacyclo[9.3.2.1.0.0]heptadecane-9-carboxylic acid, Gibberellin A4, Einecs 207-406-9, GIBBERELLIC ACID A4, 4Aalpha,4bbeta-gibbane-1alpha,10beta-dicarboxylic acid,2beta,4A-dihydroxy-1-methyl-8-methylene-,1,4A-lactone, (1R,2R,5R,8R,9S,10R,12S)-12-Hydroxy-11-methyl-6-methylene-16-oxo-15-oxapentacyclo[9.3.2.1.0.0]heptadecane-9-carboxylic acid, (1alpha,2beta,4aalpha,4bbeta,10beta)-2,4a-dihydroxy-1-methyl-8-methylene-gibbane-1,10-dicarboxylic acid 1,4a-lactone, gibberellina4plantcellculture*tested, GibberellinA4+7, Giclazide, (1S,2S,4aR,4bR,7R,9aR,10S,10aR)-2-hydroxy-1-methyl-8-methylidene-13-oxododecahydro-4a,1-(epoxymethano)-7,9a-methanobenzo[a]azulene-10-carboxylic acid Molecular Weight:332.391
468-44-0 Molecular Info »Cas No|Cas Number|CAS Registry Number:2753-30-2 .Chemical Name|Molecular Name:Gedunin Formulanor:C28H34O7 Synonyms:Gedunin,(1S,3aS,4aR,4bS,5R,6aR,10aR,10bR,12aS)-5-(Acetyloxy)-1-(3-furanyl)-1,5,6,6a,7,10a,10b,11,12,12a,decahydro-4b,7,7,10a,12a,-pentamethyloxireno[c]phenanthro[1,2-d]pyran-3,8(3aH,4bH)-dione, Gedunine Molecular Weight:482.565
2753-30-2 Molecular Info »Cas No|Cas Number|CAS Registry Number:490-67-5 .Chemical Name|Molecular Name:Gaultherin Formulanor:C19H26O12 Synonyms:Methyl Salicylate-2-primeveroside, MONOTROPITOSIDE, Methyl Salicylate-2-glucoxyloside, 2-[(6-O-b-D-Xylopyranosyl-b-D-glucopyranosyl)oxy]benzoic Acid Methyl Ester, methyl 2-[(6-o-pentopyranosylhexopyranosyl)oxy]benzoate, Gaultherin, Methyl 2-{[6-O-(β-D-xylopyranosyl)-β-D-glucopyranosyl]oxy}benzoate, Monotropitin, Benzoic acid, 2-[(6-O-β-D-xylopyranosyl-β-D-glucopyranosyl)oxy]-, methyl ester, methyl 2-[(2R,3S,4R,5R,6S)-3,4,5-trihydroxy-6-[[(2R,3S,4R,5S)-3,4,5-trihydroxyoxan-2-yl]oxymethyl]oxan-2-yl]oxybenzoate Molecular Weight:446.402
490-67-5 Molecular Info »Cas No|Cas Number|CAS Registry Number:59837-15-9 .Chemical Name|Molecular Name:Gal beta(1-3)GalNAc-beta-pNP Formulanor:C20H28N2O13 Synonyms:N-[(2S,3S,4R,5R,6S)-5-hydroxy-6-(hydroxymethyl)-2-(4-nitrophenoxy)-4-[(2R,3S,4S,5R,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyoxan-3-yl]acetamide Molecular Weight:504.442
59837-15-9 Molecular Info »Cas No|Cas Number|CAS Registry Number:27963-98-0 .Chemical Name|Molecular Name:Furo[2,3-d]oxazole-5-methanol,2-amino-3a,5,6,6a-tetrahydro-6-hydroxy-, (3aR,5R,6R,6aS)- Formulanor:C6H10N2O4 Synonyms:4,5oxazoline Molecular Weight:174.155
27963-98-0 Molecular Info »Cas No|Cas Number|CAS Registry Number:5250-39-5 .Chemical Name|Molecular Name:Flucloxacillin Formulanor:C19H17ClFN3O5S Synonyms:Flucloxacillin, Floxapen, Culpen, (2S,5R,6R)-6-({[3-(2-chloro-6-fluorophenyl)-5-methylisoxazol-4-yl]carbonyl}amino)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, Flopen, (2S,5R,6R)-6-({[3-(2-Chloro-6-fluorophenyl)-5-methyl-1,2-oxazol-4-yl]carbonyl}amino)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, Abboflox, EINECS 226-051-0, Flucil, 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[[3-(2-chloro-6-fluorophenyl)-5-methyl-4-isoxazolyl]carbonyl]amino]-3,3-dimethyl-7-oxo-, (2S,5R,6R)-, Flupen, Ladropen, MFCD00864886, Floxacillin, Staphcil, Staphylex, FK 900, Penplus, Stafoxil, BRL 2039 Molecular Weight:453.872
5250-39-5 Molecular Info »Cas No|Cas Number|CAS Registry Number:1851-23-6 .Chemical Name|Molecular Name:ETIOCHOLANDIOL Formulanor:C19H32O2 Synonyms:5beta-androstane-3alpha,17beta-diol, (3R,5R,8R,9S,10S,13S,14S,17S)-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol, 5β-Androstan-3α,17β-diol Molecular Weight:292.456
1851-23-6 Molecular Info »Cas No|Cas Number|CAS Registry Number:4501-00-2 .Chemical Name|Molecular Name:erythromycin phosphate Formulanor:C37H70NO17P Synonyms:(2R,3R,4S,5R,8R,9S,10S,11R,12R,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-5-ethyl-3,4,12-trihydroxy-9-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-2,4,8,10,12,14-hexamethyl-6-oxacyclotetradecane-1,7-dione, (2R,3R,4S,5R,8R,9S,10S,11R,12R,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyl-tetrahydropyran-2-yl]oxy-5-ethyl-3,4,12-trihydroxy-9-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-tetrahydropyran-2-yl]oxy-2,4,8,10,12,14-hexamethyl-6-oxacyclotetradecane-1,7-quinone Molecular Weight:831.922
4501-00-2 Molecular Info »Cas No|Cas Number|CAS Registry Number:13463-28-0 .Chemical Name|Molecular Name:Eriocitrin Formulanor:C27H32O15 Synonyms:MFCD00017472, 6-O-(6-Désoxy-α-L-mannopyranosyl)-β-D-glucopyranoside de 2-(3,4-dihydroxyphényl)-5-hydroxy-4-oxo-3,4-dihydro-2H-chromén-7-yle, 2-(3,4-Dihydroxyphenyl)-5-hydroxy-4-oxo-3,4-dihydro-2H-chromen-7-yl-6-O-(6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranoside, Eriodictyol-7-rutinoside, 2-(3,4-Dihydroxyphenyl)-5-hydroxy-4-oxo-3,4-dihydro-2H-chromen-7-yl 6-O-(6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranoside, Eriodictyol 7-O-rutinoside, EINECS 236-668-7, 4H-1-Benzopyran-4-one, 7-[[6-O-(6-deoxy-α-L-mannopyranosyl)-β-D-glucopyranosyl]oxy]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5-hydroxy-, 2-(3,4-Dihydroxyphenyl)-5-hydroxy-7-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-({[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl]oxy}methyl)tetrahydro-2H-pyran-2-yl]oxy}-2,3-dihydro-4H-chromen-4-on, 2-(3,4-Dihydroxyphényl)-5-hydroxy-7-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-({[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-méthyltétrahydro-2H-pyran-2-yl]oxy}méthyl)tétrahydro-2H-pyran-2-yl]oxy}-2,3-dihydro-4H-chromén-4-one, 2-(3,4-Dihydroxyphenyl)-5-hydroxy-4-oxo-3,4-dihydro-2H-chromen-7-yl 6-O-(6-deoxy-a-L-mannopyranosyl)-b-D-glucopyranoside, (S)-7-((6-O-(6-Deoxy-a-L-mannopyranosyl)-b-D-glucopyranosyl)oxy)-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5-hydroxy-4H-benzopyran-4-one, 2-(3,4-Dihydroxyphenyl)-5-hydroxy-7-{[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-({[(2R,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl]oxy}methyl)tetrahydro-2H-pyran-2-yl]oxy}-2,3-dihydro-4H-chromen-4-one, (S)-7-((6-O-(6-Deoxy-α-L-mannopyranosyl)-β-D-glucopyranosyl)oxy)-2-(3,4-dihydroxyphenyl)-2,3-dihydro-5-hydroxy-4H-benzopyran-4-one, Eriocitrin Molecular Weight:596.534
13463-28-0 Molecular Info »Cas No|Cas Number|CAS Registry Number:61849-14-7 .Chemical Name|Molecular Name:Epoprostenol sodium Formulanor:C20H31NaO5 Synonyms:(5Z)-5-{(3aR,4R,5R,6aS)-5-hydroxy-4-[(1E,3S)-3-hydroxyoct-1-én-1-yl]hexahydro-2H-cyclopenta[b]fur-2-ylidène}pentanoate de sodium, MFCD00135629, Natrium-(5Z)-5-{(3aR,4R,5R,6aS)-5-hydroxy-4-[(1E,3S)-3-hydroxyoct-1-en-1-yl]hexahydro-2H-cyclopenta[b]fur-2-yliden}pentanoat, PGI2, Flolan, Prostacyclin sodium, EINECS 234-237-8, Prosta-5,13-dien-1-oic acid, 6,9-epoxy-11,15-dihydroxy-, sodium salt, (9α,11α,13E,15S)- (1:1), PG12-NA, (5Z,9a,11a,13E,15S)-6,9-Epoxy-11,15-dihydroxyprosta-5,13-dien-1-oic Acid Sodium Salt, U 53217A, PGI2,SODIUM SALT, Sodium PGI2, prosta-5,13-dien-1-oic acid, 6,9-epoxy-11,15-dihydroxy-, monosodium salt, (5Z,9α,11α,13E,15S)-, PGI2-NA, PROSTAGLANDIN I2, Prostaglandin 12, PGI2 sodium, sodium (5Z)-5-{(3aR,4R,5R,6aS)-5-hydroxy-4-[(1E,3S)-3-hydroxyoct-1-en-1-yl]hexahydro-2H-cyclopenta[b]furan-2-ylidene}pentanoate, Epoprostenol […]
61849-14-7 Molecular Info »Cas No|Cas Number|CAS Registry Number:3615-44-9 .Chemical Name|Molecular Name:D-Mannoheptulose Formulanor:C7H14O7 Synonyms:(3S,4S,5R,6R)-1,3,4,5,6,7-Hexahydroxy-2-heptanone, D-manno-2-Heptulose, D-MANNOHEPTULOSE, (3S,4S,5R,6R)-1,3,4,5,6,7-Hexahydroxyheptan-2-one, D-manno-Heptulose, D-manno-Heptulose (8CI), D-manno-Hept-2-ulose, D-manno-Ketoheptose, Mannoheptulose Molecular Weight:210.182
3615-44-9 Molecular Info »Cas No|Cas Number|CAS Registry Number:136132-72-4 .Chemical Name|Molecular Name:disodium,(3R,4S)-2-[(3R,4R,5R,6R)-3-acetamido-2,5-dihydroxy-6-(sulfonatooxymethyl)oxan-4-yl]oxy-3,4-dihydroxy-3,4-dihydro-2H-pyran-6-carboxylate Formulanor:C14H19NNa2O14S Synonyms:Chondroitin disaccharide | currencydi-6S sodium salt Molecular Weight:503.344
136132-72-4 Molecular Info »Cas No|Cas Number|CAS Registry Number:8027-91-6 .Chemical Name|Molecular Name:Dihydrostreptomycin sulphate Formulanor:C21H43N7O16S Synonyms:Dihydrostreptomycin Sulphate, 2,2'-[(1R,2R,3S,4R,5R,6S)-4-({5-Deoxy-2-O-[2-deoxy-2-(methylamino )-α-L-glucopyranosyl]-3-C-(hydroxymethyl)-α-L-lyxofuranosyl}oxy)- 2,5,6-trihydroxy-1,3-cyclohexanediyl]diguanidine sulfate, Streptomycin, Dihydro-, Sulfate Molecular Weight:681.668
8027-91-6 Molecular Info »Cas No|Cas Number|CAS Registry Number:5894-59-7 .Chemical Name|Molecular Name:Digalacturonic acid Formulanor:C12H18O13 Synonyms:GALACTURONIC ACID ALPHA1,4-GALACTURONIC ACID, FURA-PE3 HEXAPOTASSIUM SALT, A-DGALU(1-4)DGALU, (2S,3R,4S,5R,6S)-6-[(2S,3R,4R,5R)-2-carboxy-4,5,6-trihydroxyoxan-3-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid, MFCD00079142, 4]-D-GALA, GALA-ALPHA1,4GALA Molecular Weight:370.264
5894-59-7 Molecular Info »Cas No|Cas Number|CAS Registry Number:72826-63-2 .Chemical Name|Molecular Name:deoxyartemisinin Formulanor:C15H22O4 Synonyms:Qing Hau Sau III, desoxyartemisinin, Deoxyarteannuin, Qinghaosu III, deoxyartemisinin, (3R,3aS,6R,6aS,10aS,10bR)-3,6,9-trimethyloctahydro-9,10b-epoxyoxepino[4,3,2-ij]isochromen-2(3H,10aH)-one, desoxoartemisinin, 10aH-9,10b-Epoxypyrano[4,3,2-jk][2]benzoxepin-2(3H)-one, octahydro-3,6,9-trimethyl-, (3R,3aS,6R,6aS,9S,10aS,10bR)-, (1S,4S,5R,8S,9R,12S,13R)-1,5,9-Trimethyl-11,14,15-trioxatetracyclo[10.2.1.0.0]pentadecan-10-one, Hydroarteannuin, 10aH-9,10b-epoxypyrano[4,3,2-jk][2]benzoxepin-2(3H)-one, octahydro-3,6,9-trimethyl-, (3R,3aS,6R,6aS,10aS,10bR)-, Deoxyqinghaosu Molecular Weight:266.333
72826-63-2 Molecular Info »Chemical products are described in many different ways including chemical structures, generic, molecular formulas, systematic, common, and trade names. The CAS (Chemical Abstracts Service) Registry Number (Cas No or Cas Number) is a unique identifier which is a unique and unambiguous identifier for a specific substance that allows clear communication and, with the help of CAS scientists, links together all available data and research about that substance. Governmental agencies rely on CAS Registry Numbers for substance identification in regulatory applications because they are unique, easy validated, and internationally recognized.You can search the Chemical compounds's molecular information with the Cas Registry Number.You can also Search Cas Number with Chemical Name or formulas.The most complete and comprehensive Cas number lookup on Molecularinfo.com.