WordNet

make or include in an itemized record or report; "Inventory all books before the end of the year" (同)take stock, stock-take
(accounting) the value of a firms current assets including raw materials and work in progress and finished goods
making an itemized list of merchandise or supplies on hand; "an inventory may be necessary to see if anything is missing"; "they held an inventory every month" (同)inventorying, stocktaking, stock-taking
a detailed list of all the items in stock (同)stock list
of or relating to commercialism; "a commercial attache"; "commercial paper"; "commercial law"
a commercially sponsored ad on radio or television (同)commercial message
of the kind or quality used in commerce; average or inferior; "commercial grade of beef"; "commercial oxalic acid" (同)commercial-grade
connected with or engaged in or sponsored by or used in commerce or commercial enterprises; "commercial trucker"; "commercial TV"; "commercial diamonds"
of or made from or using substances produced by or used in reactions involving atomic or molecular changes; "chemical fertilizer"
material produced by or used in a reaction involving changes in atoms or molecules (同)chemical substance
relating to or used in chemistry; "chemical engineer"; "chemical balance" (同)chemic
the 2nd smallest continent (actually a vast peninsula of Eurasia); the British use `Europe to refer to all of the continent except the British Isles
the nations of the European continent collectively; "the Marshall Plan helped Europe recover from World War II"

PrepTutorEJDIC

〈C〉(商品・財産などの)目録《+『of』+『名』》 / 《集合的に》在庫品;資産 / 〈U〉在庫品調べ,たな卸し / 〈財産・商品など〉‘の'目録を作る,品調べをする
《所有・所属》…『の』,…のものである,…に属する・《材料・要素》…『でできた』,から成る・《部分》…『の』[『中の』] ・《数量・単位・種類を表す名詞に付いて》…の・《原因・動機》…『で』,のために(because of) ・《主格関係》…『の』,による,によって・《目的格関係》…『を』,の・《同格関係》…『という』・《関係・関連》…『についての』[『の』],の点で・《抽象名詞などと共に》…の[性質をもつ] ・《『It is』+『形』+『of』+『名』+『to』 doの形で,ofの後の名詞を意味上の主語として》・《分離》…『から』・《起原・出所》…『から』[『の』](out of) ・《『名』+『of』+『a』(『an』)+『名』の形で》…のような・《『名』+『of』+『mine』(『yours, his』など独立所有格)の形で》…の…・《時》(1)《副詞句を作って》…に《形容詞句を作って》…の・《時刻》《米》…前(to,《米》before)
『商業上の』,通商上の,貿易上の / 営利的な,もうけ主義の;市販用の / 広告放送の / (ラジオ・テレビの)コマーシャル
『化学の』,化学上の;化学的な,化学作用による / 化学薬品の,化学薬品を用いる / 『化学薬品』(『製品』)
『ヨーロッパ』,欧州

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2014/11/04 11:04:54」(JST)

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This article is about the European Community system for coding chemicals. For the Enzyme Commission codes, see Enzyme Commission number.

The European Community number, or EC number, also known as EC No., EINECS No., and EC#, is a unique seven-digit identifier that is assigned to chemical substances for regulatory purposes within the European Union by the regulatory authorities. The list of substances having an EC number is called the EC Inventory.^[1]

Structure

The EC Number may be written in a general form as: NNN-NNN-R,^[2] where R is a check digit and N represents integers. The check digit is calculated using the ISBN method. According to this method, the check digit R is the following sum modulo 11:

If the remainder R is equal to 10, that combination of digits is not used for an EC number. To illustrate, the EC number of dexamethasone is 200-003-9. N₁ is 2, N₂ through N₅ are 0, and N₆ is 3.

The remainder is 9, which is the check digit.

Official EC inventory

The EC Inventory includes the substances in the following inventories. The content of these inventories is fixed and official.

Inventory	Scope	Format	No. of entries (if fixed No. of entries)
European Inventory of Existing Commercial Chemical Substances, (EINECS)	Substances, excluding polymers, that were recorded as being commercially available in the EU from 1 January 1971 to 18 September 1981.^[3] These were considered registered under Article 8(1) of the Dangerous Substances Directive (67/548/EEC). They are considered phase-in substances under the REACH Regulation	2xx-xxx-x 3xx-xxx-x	100,204
European List of Notified Chemical Substances, (ELINCS)	Substances notified under the Dangerous Substances Directive Notification of New Substances (NONS) that became commercially available after 18 September 1981^{[citation needed]}.	4xx-xxx-x	4,381
No Longer Polymers (NLP)	The definition of polymers was changed in April, 1992^[4] with the result that substances previously considered to be polymers were no longer excluded from regulation. Consequently, a list, called the NLP-list, was made of such substances that were commercially available between after 18 September 1981 and 31 October 1993.^[5]	5xx-xxx-x	703

List numbers

ECHA also applies the EC number format to what it calls "List numbers".^[6] The number are assigned by when a substance is pre-registered or inquired about under the REACH Regulation. They are not official because they have not been published in the Official Journal of the European Union. The number of these two categories is open ended, as substances are continually being added.

Scope	Format
Automatically assigned, e.g. to pre-registrations of substances with a CAS No.	6xx-xxx-x
Assigned to substances after inquiries by the ECHA Substance ID Team	7xx-xxx-x
Automatically assigned to substances identified only with a CAS No. (continuation of the 6xx-xxx-x series)	8xx-xxx-x
Automatically assigned, e.g. to pre-registrations without a CAS No. or other numerical identifier (including reaction masses of more than one substance)	9xx-xxx-x

References

^ European Chemicals Agency (November 2011). "Guidance for identification and naming of substances under REACH and CLP" (pdf). p. 118. Retrieved 2011-12-18.
^ "Commission Directive 2001/59/EC of 6 August 2001 adapting to technical progress for the 28th time Council Directive 67/548/EEC on the approximation of the laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances" (pdf). Official Journal of the European Communities (L 225): 4. August 21, 2001. Retrieved 2011-12-18. |first1= missing |last1= in Authors list (help)
^ Geiss, F.; Del Bino, G.; Blech, G.; n⊘Rager, O.; Orthmann, E.; Mosselmans, G.; Powell, J.; Roy, R.; Smyrniotis, T.; Town, W. G. (1992). "The EINECS inventory of existing chemical substances on the EC market". Toxicological 37 (1–2): 21–33. doi:10.1080/02772249209357850.
^ European Commission (30 April 1992). "Council Directive 92/32/EEC of 30 April 1992 amending for the seventh time Directive 67/548/EEC on the approximation of the laws, regulations and administrative provisions relating to the classification, packaging and labelling of dangerous substances" (pdf). Official Journal of the European Communities (L 154): 1–29. Retrieved 2009-01-25.
^ "Regulation (EC) No 1272/2008 of the European Parliament and of the Council of 16 December 2008 on classification, labeling and packaging of substances and mixtures, amending and repealing Directives 67/548/EEC and 1999/45/EC, and amending Regulation (EC) No 1907/2006" (pdf). Official Journal of the European Communities (L 353): 329. December 31, 2008. Retrieved 2009-01-24. |first1= missing |last1= in Authors list (help)
^ http://apps.echa.europa.eu/registered/registered-sub.aspx

External links

Wikidata has a property, P232, for EINECS numbers (see uses)

ESIS European Chemical Substances Information System, where EC numbers can be looked up.

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English Journal

Tautomer identification and tautomer structure generation based on the InChI code.

Thalheim T1, Vollmer A, Ebert RU, Kühne R, Schüürmann G.
Journal of chemical information and modeling.J Chem Inf Model.2010 Jul 26;50(7):1223-32. doi: 10.1021/ci1001179.
An algorithm is introduced that enables a fast generation of all possible prototropic tautomers resulting from the mobile H atoms and associated heteroatoms as defined in the InChI code. The InChI-derived set of possible tautomers comprises (1,3)-shifts for open-chain molecules and (1,n)-shifts (wit
PMID 20666407

A multivariate chemical map of industrial chemicals--assessment of various protocols for identification of chemicals of potential concern.

Stenberg M1, Linusson A, Tysklind M, Andersson PL.
Chemosphere.Chemosphere.2009 Aug;76(7):878-84. doi: 10.1016/j.chemosphere.2009.05.011. Epub 2009 Jun 9.
In present study the Industrial chemical map was created, and investigated. Molecular descriptors were calculated for 56072 organic substances from the European inventory of existing commercial chemical substances (EINECS). The resulting multivariate dataset was subjected to principal component anal
PMID 19515399

Quantitative structure-activity relationship modeling of the toxicity of organothiophosphate pesticides to Daphnia magna and Cyprinus carpio.

Zvinavashe E1, Du T, Griff T, van den Berg HH, Soffers AE, Vervoort J, Murk AJ, Rietjens IM.
Chemosphere.Chemosphere.2009 Jun;75(11):1531-8. doi: 10.1016/j.chemosphere.2009.01.081. Epub 2009 Apr 18.
Within the REACH regulatory framework in the EU, quantitative structure-activity relationships (QSAR) models are expected to help reduce the number of animals used for experimental testing. The objective of this study was to develop QSAR models to describe the acute toxicity of organothiophosphate p
PMID 19376559