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ChemicalBook >> CAS DataBase List >> Grela 1st Generation

Grela 1st Generation

Grela 1st Generation price.
  • $31 - $940
  • Product name: Grela 1st Generation
  • CAS: 625082-83-9
  • MF: C28H44Cl2NO3PRu
  • MW: 645.6
  • EINECS:-0
  • MDL Number:MFCD31697763
  • Synonyms:RutheniuM, dichloro[[2-(1-Methylethoxy-κO)-5-nitrophenyl]Methylene-κC](tricyclohexylphosphine)-, (TB-5-23)-;Tricyclohexylphosphine(2-i-propoxy-5-nitrobenzylidene)dichlororuthenium(II) Nitro-Grela 1 gen.;Grela 1st Generation;Grela 1;Grela 1st Generation catalyst;Tricyclohexylphosphine(2-i-propoxy-5-nitrobenzylidene)dichlororuthenium(II);Nitro-grela 1st generation;Grela 1st Generatio
Price7 Properties Safety Information Description
7 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • Sigma-Aldrich
  • Strem Chemicals
Package
  • 100mg
  • 500mg
  • 1G
  • 5G
  • Manufactureraablocks
  • Product numberAA00IKHQ
  • Product description(TB-5-23)-Dichloro[[2-(1-methylethoxy)-5-nitrophenyl]methylene](tricyclohexylphosphine)ruthenium ≥95%
  • Packaging100mg
  • Price$120
  • Updated2026-05-29
  • Buy
  • Manufactureraablocks
  • Product numberAA00IKHQ
  • Product description(TB-5-23)-Dichloro[[2-(1-methylethoxy)-5-nitrophenyl]methylene](tricyclohexylphosphine)ruthenium ≥95%
  • Packaging500mg
  • Price$480
  • Updated2026-05-29
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberY230682
  • Product descriptionGrela 1st Generation 95%
  • Packaging5G
  • Price$940
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberY230682
  • Product descriptionGrela 1st Generation 95%
  • Packaging1G
  • Price$235
  • Updated2026-05-27
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number901784
  • Product descriptionNitro-grela 1st generation ≥95%
  • Packaging100MG
  • Price$93.1
  • Updated2023-01-07
  • Buy
  • ManufacturerStrem Chemicals
  • Product number44-0763
  • Product descriptionTricyclohexylphosphine(2-i-propoxy-5-nitrobenzylidene)dichlororuthenium(II) Nitro-Grela 1 gen.
  • Packaging100mg
  • Price$31
  • Updated2026-04-30
  • Buy
  • ManufacturerStrem Chemicals
  • Product number44-0763
  • Product descriptionTricyclohexylphosphine(2-i-propoxy-5-nitrobenzylidene)dichlororuthenium(II) Nitro-Grela 1 gen.
  • Packaging500mg
  • Price$124
  • Updated2026-04-30
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA00IKHQ (TB-5-23)-Dichloro[[2-(1-methylethoxy)-5-nitrophenyl]methylene](tricyclohexylphosphine)ruthenium ≥95% 100mg $120 2026-05-29 Buy
aablocks AA00IKHQ (TB-5-23)-Dichloro[[2-(1-methylethoxy)-5-nitrophenyl]methylene](tricyclohexylphosphine)ruthenium ≥95% 500mg $480 2026-05-29 Buy
ACHEMBLOCK Y230682 Grela 1st Generation 95% 5G $940 2026-05-27 Buy
ACHEMBLOCK Y230682 Grela 1st Generation 95% 1G $235 2026-05-27 Buy
Sigma-Aldrich 901784 Nitro-grela 1st generation ≥95% 100MG $93.1 2023-01-07 Buy
Strem Chemicals 44-0763 Tricyclohexylphosphine(2-i-propoxy-5-nitrobenzylidene)dichlororuthenium(II) Nitro-Grela 1 gen. 100mg $31 2026-04-30 Buy
Strem Chemicals 44-0763 Tricyclohexylphosphine(2-i-propoxy-5-nitrobenzylidene)dichlororuthenium(II) Nitro-Grela 1 gen. 500mg $124 2026-04-30 Buy

Properties

Melting point :>300 °C
storage temp. :2-8°C
form :powder
Appearance :Brown to reddish brown Solid

Safety Information

Symbol(GHS): Flame (GHS02)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H242 Heating may cause a fire Self-reactive substances and mixtures; and Organic peroxides Type C, D,Type E, F
Type G		 Danger
Warning		 P210, P220, P234, P280, P370+P378,P403+P235, P411, P420, P501
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P234 Keep only in original container.
P235 Keep cool.
P240 Ground/bond container and receiving equipment.
P370+P378 In case of fire: Use … for extinction.
P403 Store in a well-ventilated place.

Description

Nitro-grela 1st generation is good for olefin metathesis for en-yn reactions.

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Grela 2nd Generation GRUBBS CATALYST 2ND GENERATION

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Suppliers and manufacturers

Shanghai UCHEM Inc.
Grela 1st Generation catalyst
$301.00
Grela 1st Generation catalyst CAS:625082-83-9
Shanghai CoachChem Co., Ltd. Sigma-Aldrich Alfa Chemistry Shanghai YuanYe Biotechnology Co., Ltd. Tianjin Kailiqi Biotechnology Co., Ltd. Amadis Chemical Company Limited LaaJoo Zhengzhou Acme Chemical Co., Ltd. Zhengzhou Alfa Chemical Co.,Ltd