First draft of the National Chemicals Inventory (rev. as of March 15 2017) No. CAS Chemical Name (proposal) 1 50-00-0 Formaldehyde 2 50-01-1 Guanidine hydrochloride 3 50-02-2 9-Fluoro-11beta,17,21-trihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione 4 50-03-3 Hydrocortisone acetate 5 50-14-6 Ergocalciferol 6 50-21-5 2-Hydroxypropanoic acid 7 50-23-7 Cortisol 8 50-24-8 Prednisolone 9 50-27-1 Estriol 10 50-32-8 Benzo[a]pyrene 11 50-37-3 Lysergide 12 50-70-4 D-Glucitol 13 50-78-2 Aspirin 14 50-81-7 L-ascorbic acid 15 50-99-7 D-Glucose 16 51-03-6 5-Propan-1-yl-6-(2,5,8-trioxadodecan-1-yl)-1,3-benzodioxole 17 51-21-8 Fluorouracil 18 51-45-6 2-imidazol-4-ylethylamine 19 52-01-7 7alpha-(Acetylsulfanyl)-3-oxo-17alpha-pregn-4-ene-21,17-carbolactone 20 52-28-8 Codeine phosphate 21 52-49-3 Trihexyphenidyl hydrochloride 22 52-51-7 2-Bromo-2-nitropropane-1,3-diol 23 52-76-6 Lynestrenol 24 52-89-1 Cysteine hydrochloride 25 52-90-4 L-cysteine 26 53-36-1 Methylprednisolone 21-acetate 27 53-86-1 Indometacin 28 54-05-7 Chloroquine 29 54-21-7 Sodium salicylate 30 54-31-9 Furosemide 31 54-64-8 Sodium ethanide[2-(sulfide-kappaS)benzoato-kappaO]mercurate(1-) 32 54-86-4 Sodium nicotinate 33 55-63-0 Nitroglycerin 34 55-86-7 Bis(2-chloroethyl)(methyl)ammonium chloride 35 56-04-2 Methylthiouracil 36 56-12-2 4-aminobutyric acid 37 56-17-7 2,2'-dithiodi(ethylammonium) dichloride 38 56-23-5 Tetrachloromethane 39 56-40-6 Glycine 40 56-41-7 L-alanine 41 56-45-1 L-Serine 42 56-53-1 (E)-4,4'-Hex-3-ene-3,4-diyldiphenol 43 56-72-4 Coumaphos 44 56-75-7 Chloramphenicol 45 56-81-5 Glycerol 46 56-84-8 L-Aspartic acid 47 56-86-0 Glutamic acid 48 56-89-3 Cystine 49 56-92-8 2-imidazol-4-ylethylamine dihydrochloride 50 57-03-4 1,2,3-Propanetriol, 1-(dihydrogen phosphate) 51 57-09-0 Cetrimonium bromide 52 57-10-3 Palmitic acid 53 57-11-4 Stearic acid 54 57-13-6 Urea 55 57-15-8 Chlorbutanol 56 57-24-9 Strychnine 57 57-48-7 D-Fructose 1/93 58 57-50-1 Sucrose 59 57-55-6 Propane-1,2-diol 60 57-63-6 Ethynyl estradiol 61 58-08-2 1,3,7-Trimethyl-1H-purine-2,6(3H,7H)-dione 62 58-22-0 Testosterone 63 58-27-5 Menadione 64 58-55-9 1,3-Dimethyl-1H-purine-2,6(3H,9H)-dione 65 58-56-0 3-Hydroxy-4,5-bis(hydroxymethyl)-2-methylpyridin-1-ium chloride 66 58-61-7 Adenosine 67 58-71-9 Cefalotin sodium 68 58-73-1 Diphenhydramine 69 58-85-5 Biotin 70 58-93-5 Hydrochlorothiazide 71 58-95-7 alpha-tocopheryl acetate 72 59-02-9 alpha-tocopherol 73 59-05-2 Methotrexate 74 59-23-4 Galactose 75 59-26-7 Nikethamide 76 59-30-3 Folic acid 77 59-43-8 Thiamine 78 59-47-2 Mephenesin 79 59-50-7 4-Chloro-3-methylphenol 80 59-51-8 DL-Methionine 81 59-67-6 Nicotinic acid 82 59-88-1 Phenylhydrazinium chloride 83 59-92-7 (S)-2-Amino-3-(3,4-dihydroxyphenyl)propanoic acid 84 60-00-4 Ethylenediaminetetraacetic acid 85 60-10-6 1,5-diphenyl-3-thiocarbazone 86 60-11-7 4-dimethylaminoazobenzene 87 60-12-8 .beta.-Phenylethylalcohol 88 60-18-4 Tyrosine 89 60-24-2 Ethanol, 2-mercapto- 90 60-29-7 Ethane, 1,1'-oxybis 91 60-32-2 Aminocaproic acid 92 60-33-3 Linoleic acid 93 60-35-5 Acetamide 94 60-51-5 Dimethoate 95 61-68-7 Mefenamic acid 96 61-73-4 3,7-Bis(N,N-dimethylamino)phenothiazin-5-ium chloride 97 61-76-7 Phenylephrine hydrochloride 98 61-90-5 L-leucine 99 62-46-4 5-(1,2-dithiolan-3-yl)valeric acid 100 62-49-7 Choline 101 62-53-3 Aniline 102 62-55-5 Thioacetamide 103 62-56-6 Thiourea 104 62-73-7 Dichlorvos 105 62-75-9 Dimethylnitrosoamine 106 62-76-0 Disodium oxalate 107 63-25-2 Carbaryl 108 63-42-3 Lactose 109 63-45-6 Primaquine bis(phosphate) 110 63-68-3 L-Methionine 111 63-74-1 4-Aminobenzenesulfonamide 112 63-91-2 L-Phenylalanine 113 64-02-8 Tetrasodium 2,2',2'',2'''-(ethylenedinitrilo)tetraacetate 114 64-17-5 Ethanol 115 64-18-6 Formic acid 116 64-19-7 Acetic acid 117 64-67-5 Diethyl sulfate 2/93 118 64-86-8 (S)-N-(1,2,3,10-Tetramethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl)acetamide 119 65-23-6 Pyridoxine 120 65-71-4 5-methyluracil 121 65-85-0 Benzoic acid 122 65-86-1 Orotic acid 123 66-71-7 1,10-phenanthroline 124 66-84-2 Glucosamine hydrochloride 3-[(4-Amino-2-methylpyrimidin-5-yl)methyl]-5-(2-hydroxyethyl)-4-methylthiazol-3-ium 125 67-03-8 chloride monohydrochloride N,N'-[dithiobis[2-(2-hydroxyethyl)-1-methylvinylene]]bis[N-[(4-amino-2-methyl-5- 126 67-16-3 pyrimidinyl)methyl]formamide 127 67-43-6 N-carboxymethyliminobis(ethylenenitrilo)tetra(acetic acid) 128 67-48-1 2-Hydroxy-N,N,N-trimethylethanaminium chloride 129 67-52-7 Barbituric acid 130 67-56-1 Methanol 131 67-63-0 Propan-2-ol 132 67-64-1 Acetone 133 67-66-3 Chloroform 134 67-68-5 Dimethyl sulfoxide 135 67-71-0 Dimethyl sulphone 136 67-97-0 Colecalciferol 137 68-04-2 Trisodium citrate 138 68-11-1 Acetic acid, mercapto- 139 68-12-2 N,N-Dimethylformamide 140 68-19-9 Cyanocobalamin 141 68-35-9 Sulfadiazine 142 68-59-7 Prednisone Sodium [(2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-1H-pyrazol-4- 143 68-89-3 yl)methylamino]methanesulphonate 144 69-09-0 Chlorpromazine hydrochloride Sodium [2S-[2alpha,5alpha,6beta(S*)]]-6-(aminophenylacetamido)-3,3-dimethyl-7-oxo-4- 145 69-52-3 thia-1-azabicyclo[3.2.