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National Toxicology Program Classification of Appendix G Appendix G: CAS Registry Number Index (8th RoC) http://ntp-server.niehs.nih.gov/htdocs/8_RoC/CAS_AppG.html Appendix G: CAS Registry Number Index Eighth Report on Carcinogens Appendix G CAS Registry Number Index In the CAS Registry Number (CASRN) index are listed the chemical names and Chemical Abstracts Service (CAS) Registry Numbers or all entries in the Eighth Report on Carcinogens. The CASRN is simply a unique identification number for a specific chemical substance (like personal identification by the Social Security Number). The CAS Registry System publishes a Registry Handbook (updated yearly) that contains the names and CASRNs of all chemical substances that have been reported since 1965. The Registry Handbook also has a Common Name Index that links about 600,000 common names to 370,000 CAS numbers, and is compose of 2 sections: Name and Number. The Name Section links common substance names (arranges alphabetically) to their corresponding CAS numbers and molecular formulae. The Number Section links the CAS number (arranges numerically) to the molecular formula, Chemical Abstracts index name, and the common name. (NOTE: Because this is a large file, selecting an agent's profile from this list opens a separate web page to allow viewers to return to the list without having to reload the file.) KNOWN/ I FIRST CASRN NAME OR SYNONYM RAHCa LISTEDb Analgesic Mixtures Containing Phenacetin K 4 Aroclor (under Polvchlorinated Biphenvls) R . ...... .............,..„:........ ..... ............... ..... ....... ... ... ... ..... ...... ...... ., .... ....... ... .... ...... .. ............. ...... .......... .. .. ...... ..... ... ._.__?... ... Arsenic Compound. Inorganic (under Arsenic and Certain 1 Arsenic Compounds) ...... ....... .. ................ Ceramic Fibers : R 7 Chromium Hexavalent Compounds (under Chromium and i ; 1 Certain Chromium Compounds) ; Coke Oven Emissions ! K 1 FireMaste....... ....... ..... ...r . BP-.... ..... ... 6........ (unde\ .. ... .....r . Polvbrominate...... ...... ............. ... .........d. .Biphenvls. ...*.. ...... .*£... )... ..................... R 3 Glasswool R 7 Mineral Oils K 1 PAHs (See Polvcvclic Aromatic Hydrocarbons) T> 5 ....... ..... ^.. ........ ... ... .... .. ,...TT.. ...-'.. .... ... .. .... .. ........ ... .. ... ...... .. -V... ., . .. ...... .... .... ... , .... 7.. ............. .... .. ... ..... ... .. .. ... ..... PBBs (See Polvbrominated Biphenvls") R 3 ...... ...... ..... ...>.. ......... ......... .. .. ...TT. .... ...... ... ............................ ...........*..............,......-£ ... ...?...... ...... .................. ..... ...... .... .... ...... ....... .. ...,.,,........ ..; ... .......... .................. ... ......... .,.= .... ...... ........ ..... ...... ............. .. Polvbrominated Biohenvls (PBBs) i R i 3 Polvcvclic Aromatic Hydrocarbons (PAHs) i R ! 5 ' ... ......... .... ... .... ............. ..,...,, ....: . ......... .. ...... ...... .. .... ......... .. -. -• Silica..... ... .. ... .. , .Crystallin. .... .. ..... ...... ... .. e ..(Respirabl. .. r...... .. ... .., e.. Size... ...... ......) ,r. .... ............... ... .. ....... .... .. ......... ....... ... ... ......... ...... .. ............. .....i .. R i 6 ! Soots K 1 Tars K 1 50-00-Oi Formaldehyde..... .. ............... .... .. .(gas. *T . )f... ..... ..... ................... ......... ........... .... .... ........ ....... R 2 ; 50-18-0 C vclopho sphamide K 1 803511 lof 10 5/9/01 1:27 PM Appendix G: CAS Registry Number Index (8th RoC) http://ntp-server.niehs.nih.gov/htdoc s/8_RoC/CAS_AppG.html 50-28-2 Estradiol- 1 7b (under Estrogens [Not Conjugated]) R 4 50-29-3 ^DDT (Dichlorodiphenyltrichloroethane) R 4 50-29-3 Dichlorodiohenvltrichloroethane (See DDT) R 4 Benzo[a]pvrene ("under Polvcvclic Aromatic Hydrocarbons. 15 ju-JZ-o Listings) i ; 2 50-55-5 Reserpine R 2 51-52-5 Propvlthiouracil R 4 51-79-6 Ethv.... l . Carbamat..... .... ... .. ....... e. ..;:..("Se. ... e Urethane... .. ........ ..... r ) . ...... ..... .... ... ..................... R 3 51-79-6i Urethane ( Urethan; Ethvl carbamate) R 3 2c Thiotepa [in 7th ARC as Tris(l-aziridinvl)phosphine : 52-24-4! K : Sulfide] 84 2£ 52-24-41 Trisf l-aziridinvDohosDhine Sulfide (Thiotepa) 1 K 8d 53-16-7 Estrone...... ........ ........ ....:-... (unde. ... .. ... .r . Estrogen..... ....... ..>7...... .. .s ... .V...[No. ... .. t.... Conjugated]. .. .....J, ...\— ...... ...... ..r!-.) ..... ... ....... ... ............ ........ ...... .. .... ...... R 4 Dibenzfa./z] anthracene (under Polvcvclic Aromatic 53-70-3; 2 ! Hydrocarbons, 15 Listings) 53-96-3i 2-Acetvlaminofluorene R 2 55-18-5^ DEN (See N-Nitrosodiethvlamine) ! R 2 : ....... .. ... .. ..>. ...... ...... ... .. ..... .. .... ..... ... ..... .-:. .. ... .... ... - .. ...... .*„..... ... ... .. ...... .. .. ... .... .. ..... ... .. - ....... - .- • ................ ..... ....... ..... ...... .- ......... ............... .. ......... .... ... 55-18-5 Diethvlnitrosamine (See 7V-Nitrosodiethylamine) -n 2 i 55-18-5! N-Nitrosodiethvlamine (Diethvlnitrosamine; DEN) R ^ 55-86-7: Nitrogen Mustard Hvdrochloride R 4 55-98-r 1,4-Butanediol Dimethvlsulfonate (Myleran®; Busulfan) K 4 55-98-1 iBusulfan (See 1,4-Butanediol Dimethvlsulfonate) K 4 . ......... .....: . ...... .. ,.^ ...... ........... .... ... ......... .............. ..r.... .......... ................. ............................................ 55-98-1 Mvleran® (See 1,4-Butanediol Dimethvlsulfonate) K 4 56-23-5; Carbon Tetrachloride R 2 56-53-1 Diethvlstilbestrol K 1 Benz[a]anthracene (under Polvcvclic Aromatic Hydrocarbons, i 56-55-31 : 15 Listings) j 2 ! 57-14-7! 1 . 1 -Dimethvlhvdrazine (UDMH) R 4 4 57-14-7 UDM........................................................H (See 1,1-Dimethylhydrazine. ........ ........... .............................. ... ........ .. ..........). .............. ...... ........... .... ....... .... .... ................................. ..- R 57-41-Oi Phenvtoin R 1 57-57-8i b-Propiolacton.... ... ..... .. ... ...... ... ... ... ..... ..... .......e. ... ...... ... ..... .. ..... ... .. .... ...... .... ....... ..... ....... ........ ........ ............... ...... R 2 57-63-6!Ethinvlestradiol (under Estrogens [Not Conjugated]) 4 ...... ... ..... .......... ................. ... ... .... ... .. .. ... .. .. .... ...*:„ .. ... ...... ..... ...... ......-£.......^7.. ............. .. ... ...... .. ..... .... .. ... .. ... .. .. .. .. .......... .....R................... 57-83-0 Progesterone ..,......,._.R . — „ — 4 ; a-Hexachlorocvclohexane (under Lindane and Other 9 Jo-oy-y Hexachlorocyclohexane Isomers) 2* Lindane (under Lindane and Other Hexachlorocyclohexane Jo-oy-y Isomers) 2 2 of 10 803512 5/9/01 1:27 PM Appendix G: CAS Registry Number Index (8th RoC) http://ntp-server.niehs.nih.gov/htdocs/8_RoC/CAS_AppG.html 59-89-2:./V-Nitrosomorpholin.. ....... .. ......... ............. *• ,...,,., . .............e . ... ... .... ...... ...... ..... .. ....... .... ... ....... .. ........... ............... ... ............... ... ... .......: R 2 60-11-7: 4-Dimethvlaminoazobenzene R 2 61-82-5: Amitrole R 2 Phenacetin (See also Analgesic Mixtures Containing 62-44-2: R 1 Phenacetin, p. 12) 62-50-0 Ethvl Methanesulfonate ; R 6 62-55-5J Thioacetamide R 3 62-56-6! Thiourea _-JL_.JL ...__•?__._..... 62-75-9^ jV-Nitrosodimethvlamine (Dimethvlnitrosamine; DMN) ! R 2 ; 62-75-9 R 2 Dimethvlnitrosamin e (Se% e N-Nitrosodimethvlamine) .... ..T. ............ ... ..... ... .. ......... ...... .... ... ........ ..... .... .... ....-"... ....'...< ........ .... ... .. R :| 2 ; 62-75-9 DM..............N. .. ....^(Se ..... ...............................e //-Nitrosodimethylamine .. ........... .... ..... ....... .......... ~... ..... .... ............. .*) ...... .......... ........... ......... ........... ............. .. ... .... ....... ...... ...... 63-92-3 Phenoxvbenzamine Hvdrochloride R 5 64-67-5; Diethyl Sulfate R 4 66-27-3 !Methvl Methanesulfonate T) 6 67-66-3; Chloroform 2 ....... ..... .... .... ...... ........................ .. ...................... ................................. .. ... ................. .. ... ... .......... .. ... ..... ....... ....... ...R..........1.... ..., ..... ...... 67-72-1 Hexachloroethane R 7 : 68-22-4 Norethisterone ; R i 4 1 70-25-7 N-M ethvl-/V-nitro-./V-nitrosoguanidine "D 6 j 71-43-2 [Benzene K t 72-33-3; Mestranol Cunder Estrogens [Not Conjugated]) R 4 75-01-4: Vinvl Chloride ............ K .....:1. 75-07-0 Acetaldehvde R 6 75-09-2 Dichloromethane (M ethyl ene Chloride) R 5 75-09-2 Methvlen.... .. .. ...-. ... ...............e Chlorid. ............. ..,. .......e. ...(Se. .......................................e Dichloromethane. ................. .... .. .... .....'..) .. ..................... ................... .... .... .................. R 5 75-21-8: Ethvlene Oxide "15 2 R 75-27-4; Bromodichloromethan...... ........... .... ........ ...... ...................e . ...... ........ ... ........ 6 75-55-8i 2-Methvlaziridine CPropvlenimine) R 4 75-55-8 Propvlenimine ("See 2-Methvlaziridine) R 4 75-56-91Propvlene Oxide R 6 Jtv 77-78-1 Dimethy.. ....... ... ....l . Sulfat.. .... .. .... e...... ...... ...... .............. .. .. .. ............ .. .. ...... .... .. ..... .. .... ,. ... .... ...... ...... ..... 2 79-06-1 !Acrvlamide T> 6 79-44-7 Dimethvlcarbamovl Chloride "T\ 2 79-46-9 2-Nitroprooane R .......................4 . 82-28-0 l-Amino-2-methylanthraguinone R 3 88-06-2 2.4.6-Trichloroohenol R 3 R 90-94-Si Bis(dimethvlamino)benzophenon. ... ..... .. .. ........ ..
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