2-甲基-3H-苯并咪唑-5-羧酸 | 709-19-3

• 物质功能分类: 有机原料 - 羧酸类化合物及衍生物
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并咪唑类
• 中文名称: 2-甲基-3H-苯并咪唑-5-羧酸
• 中文别名: 2-甲基-1H苯并咪唑-5-羟酸
• 英文名称: 2-methyl-1H-benzoimidazole-5-carboxylic acid
• 英文别名: 2-methyl-1H-benzimidazole-5-carboxylic acid；2-methylbenzimidazole-5-carboxylic acid；2-methyl-5-benzimidazole carboxylic acid；2-methyl-3H-benzimidazole-5-carboxylic acid
• CAS: 709-19-3
• 化学式: C₉H₈N₂O₂
• mdl: MFCD00800488
• 分子量: 176.175
• InChiKey: GZHWABCBKGMLIE-UHFFFAOYSA-N

物化性质

• 熔点：
  301-302 °C(Solv: water (7732-18-5))
• 沸点：
  307.77°C (rough estimate)
• 密度：
  1.2662 (rough estimate)
• 稳定性/保质期：
  避免与不相容的材料接触。

计算性质

• 辛醇/水分配系数(LogP)：
  1.6
• 重原子数：
  13
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.111
• 拓扑面积：
  66
• 氢给体数：
  2
• 氢受体数：
  3

安全信息

• 危险等级：
  IRRITANT
• 危险品标志：
  Xi
• 安全说明：
  S24/25
• 海关编码：
  2933990090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H302,H315,H319,H335
• 储存条件：
  密封储存，宜存放在阴凉干燥的库房中。

SDS

Name:	2-Methyl-1H-benzimidazole-5-carboxylic acid Material Safety Data Sheet
Synonym:	None
CAS:	709-19-3

Section 1 - Chemical Product MSDS Name:2-Methyl-1H-benzimidazole-5-carboxylic acid Material Safety Data Sheet
Synonym:None

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Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
709-19-3	2-Methyl-1H-benzimidazole-5-carboxylic	99	unlisted

Hazard Symbols: None Listed.
Risk Phrases: None Listed.

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Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Chronic:
No information found.

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Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

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Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Runoff from fire control or dilution water may cause pollution.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam. Use agent most appropriate to extinguish fire.

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Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions.
Provide ventilation.

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Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.
Storage:
Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

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Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 709-19-3: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

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Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Crystalline powder
Color: grey
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Not available.
Specific Gravity/Density:
Molecular Formula: C9H8N2O2
Molecular Weight: 176.17

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Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, dust generation, excess heat, strong oxidants.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, oxides of nitrogen, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported.

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Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 709-19-3 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
2-Methyl-1H-benzimidazole-5-carboxylic acid - Not listed by ACGIH, IARC, or NTP.

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Section 12 - ECOLOGICAL INFORMATION

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Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

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Section 14 - TRANSPORT INFORMATION

IATA
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
IMO
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
RID/ADR
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing group:

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Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 709-19-3: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 709-19-3 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 709-19-3 is not listed on the TSCA inventory.
It is for research and development use only.

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SECTION 16 - ADDITIONAL INFORMATION
N/A

反应信息

• 作为反应物：
  描述：

  2-甲基-3H-苯并咪唑-5-羧酸 以31.2 g (81%)的产率得到甲基2-甲基-1H-苯并咪唑-5-羧酸酯
  参考文献：
  名称：

  Novel .beta.-lactam antibiotics

  摘要：

  具有抗菌活性和促进动物生长的新型β-内酰胺化合物的化学式为##STR1##其中R.sup.1代表基团##STR2## Y代表N或CR.sup.9，或Y-R.sup.7代表>C.dbd.O或>C.dbd.N-R.sup.7，Z代表O、S或NR.sup.10，R.sup.2代表氢或保护基。

  公开号：

  US04748163A1
• 作为产物：
  描述：

  对乙酰氨基苯甲酸 在 tin 、 硝酸 、 溶剂黄146 作用下， 生成 2-甲基-3H-苯并咪唑-5-羧酸
  参考文献：
  名称：

  Kaiser, Chemische Berichte, 1885, vol. 18, p. 2942

  摘要：

  DOI：
• 作为试剂：
  描述：

  2-甲基-3H-苯并咪唑-5-羧酸 、 1-isopropyl-4,6-dihydrospiro[indazole-5,4'-piperidin]-7(1H)-one 在 2-甲基-3H-苯并咪唑-5-羧酸 作用下， 以59的产率得到1,4-二氢-1'-[2-甲基-1H-苯并咪唑-6-基)羰基]-1-(1-甲基乙基)-螺[5H-吲唑-5,4'-哌啶]-7(6H)-一
  参考文献：
  名称：

  N1-Pyrazolospiroketone Acetyl-CoA Carboxylase Inhibitors

  摘要：

  本发明提供了式(I)的化合物或其药学上可接受的盐，其中R1、R2、R3和R4如本文所述；以及其制备的药物组合物；并且用于治疗在动物体内抑制乙酰辅酶A羧化酶酶的疾病、病状或紊乱的用途。

  公开号：

  US20110111046A1

文献信息

• [EN] FUSED QUINOLINE DERIVATIVE AND USE THEREOF<br/>[FR] DÉRIVÉ DE QUINOLINE FUSIONNÉE ET UTILISATION DE CELUI-CI
  申请人：TAKEDA PHARMACEUTICAL

  公开号：WO2005105802A1

  公开（公告）日：2005-11-10

  The present invention aims at provision of a quinoline derivative having a neurokinin 2 (NK2) receptor antagonistic action and relates to a compound represented by the formula (I) wherein Rl is a hydrogen atom and the like; R2 is a hydrogen atom, a hydrocarbon group optionally having substituent(s) and the like; R3 is unsubstituted (i.e., absence), a hydrogen atom and the like; R4 and R5 are the same or different and each is a hydrogen atom, a hydrocarbon group optionally having substituent(s), and the like; R6 is (cyclic group optionally having substituent(s)) -carbonyl, and the like; R7, R8, R9 and R10 are the same or different and each is a hydrogen atom, halogen and the like; or R7 and R8, R8 and R9, and R9 and R10 may form a ring together with the adjacent carbon atoms; n is an integer of 1 to 5; --- represents unsubstituted (i.e., absence) or a single bond; and --- represents a single bond or a double bond, or a salt thereof, and the like.

  本发明旨在提供一种具有神经激肽2（NK2）受体拮抗作用的喹啉衍生物，并涉及一种由式（I）表示的化合物，其中R1是氢原子等；R2是氢原子，可选地具有取代基的碳氢基团等；R3是未取代的（即缺失），氢原子等；R4和R5相同或不同，每个是氢原子，可选地具有取代基的碳氢基团等；R6是（环状基团，可选地具有取代基）-羰基等；R7、R8、R9和R10相同或不同，每个是氢原子，卤素等；或R7和R8、R8和R9、以及R9和R10可以与相邻的碳原子一起形成环；n是1到5的整数；---表示未取代的（即缺失）或单键；---表示单键或双键，或其盐等。
• A Fragment-Based Method to Discover Irreversible Covalent Inhibitors of Cysteine Proteases
  作者：Stefan G. Kathman、Ziyang Xu、Alexander V. Statsyuk

  DOI：10.1021/jm500345q

  日期：2014.6.12

  reported which irreversibly tethers drug-like fragments to catalytic cysteines. We attached an electrophile to 100 fragments without significant alterations in the reactivity of the electrophile. A mass spectrometry assay discovered three nonpeptidic inhibitors of the cysteine protease papain. The identified compounds display the characteristics of irreversible inhibitors. The irreversible tethering system

  报道了一种新的基于片段的药物发现方法，该方法不可逆地将类药物片段束缚在催化半胱氨酸上。我们将亲电试剂连接到 100 个片段上，而亲电试剂的反应性没有显着改变。质谱分析发现了半胱氨酸蛋白酶木瓜蛋白酶的三种非肽抑制剂。鉴定出的化合物显示出不可逆抑制剂的特征。不可逆的束缚系统也显示出特异性：三种鉴定出的木瓜蛋白酶抑制剂不与 UbcH7、USP08 或带有 GST 标签的人类鼻病毒 3C 蛋白酶共价反应。
• JAK INHIBITOR
  申请人：Kyowa Hakko Kirin Co., Ltd.

  公开号：EP2108642A1

  公开（公告）日：2009-10-14

  A JAK inhibitor comprising, as an active ingredient, a nitrogen-containing heterocyclic compound represented by formula (I) wherein W represents a nitrogen atom or -CH-; X represents -C (=O) - or -CHR4- (wherein R4 represents a hydrogen atom, or the like); R1 represents the formula described below [wherein Q1 represents-CR8-(wherein R8 represents a hydrogen atom, substituted or unsubstituted lower alkyl, or the like); Q2 represents -NR15- (wherein R15 represents a hydrogen atom, substituted or unsubstituted lower alkyl, or the like); and R5 and R6 may be the same or different and each represents a hydrogen atom, halogen, carboxy, substituted or unsubstituted lower alkyl, or the like], or the like; and R2 and R3 may be the same or different and each represents a hydrogen atom, halogen, substituted or unsubstituted lower alkyl, or the like} or a pharmaceutically acceptable salt thereof.

  一种JAK抑制剂，其作为活性成分的是由式(I)表示的含氮杂环化合物 其中W代表氮原子或-CH-; X代表-C(=O)-或-CHR4-(其中R4代表氢原子或类似物); R1代表下述式[其中Q1代表-CR8-(其中R8代表氢原子、取代或未取代的较低烷基或类似物); Q2代表-NR15-(其中R15代表氢原子、取代或未取代的较低烷基或类似物);而R5和R6可以相同也可以不同，每个代表氢原子、卤素、羧基、取代或未取代的较低烷基或类似物，或类似物;而 R2和R3可以相同也可以不同，每个代表氢原子、卤素、取代或未取代的较低烷基或类似物}或其药学上可接受的盐。
• N1/N2-LACTAM ACETYL-COA CARBOXYLASE INHIBITORS
  申请人：Griffith David A.

  公开号：US20120108619A1

  公开（公告）日：2012-05-03

  The invention provides a compound of Formula (I) or a pharmaceutically acceptable salt thereof; wherein G is R 1 , R 2 and R 3 are as described herein; pharmaceutical compositions thereof; and the use thereof in treating diseases, conditions or disorders modulated by the inhibition of an acetyl-CoA carboxylase enzyme(s) in an animal.

  这项发明提供了化合物的化学式(I)或其药用可接受的盐；其中G是R1，R2和R3如本文所述；以及其药物组合物；以及在治疗受乙酰辅酶A羧化酶抑制调节的动物疾病、状况或紊乱中的使用。
• [EN] C-3 NOVEL TRITERPENONE WITH C-17 REVERSE AMIDE DERIVATIVES AS HIV INHIBITORS<br/>[FR] NOUVEAU TRITERPÉNONE EN C-3 AVEC DES DÉRIVÉS D'AMIDE INVERSE EN C-17 EN TANT QU'INHIBITEURS DU VIH
  申请人：HETERO LABS LTD

  公开号：WO2018029604A1

  公开（公告）日：2018-02-15

  The present invention relates to C-3 novel triterpenone with C-17 reverse amide compounds of Formula (I); and pharmaceutically acceptable salts thereof, wherein ring Formula (II), R1, R2, R3, R4, R5, R6, R7, 'n' and 'm' are as defined in Formula (I). The invention also relates to C-3 novel triterpenone with C-17 reverse amide derivatives, related compounds, and pharmaceutical compositions useful for the therapeutic treatment of viral diseases and particularly HIV mediated diseases.

  本发明涉及具有式（I）的C-17反酰胺化合物的C-3新型三萜酮，及其药学上可接受的盐，其中环式（II），R1、R2、R3、R4、R5、R6、R7，'n'和'm'如式（I）中所定义。该发明还涉及C-3新型三萜酮与C-17反酰胺衍生物、相关化合物和用于治疗病毒性疾病，特别是HIV介导疾病的药物组合物。