PEAK E

Product Name: PEAK E
CAS No.: 132685-02-0
Chemical Name: PEAK E
Synonyms: EBT;PEAK E;CONTAMINANT 97;1,1'-ethylidenebis;Tadalafil Impurity Q;Tadalafil Impurity 50 DiHCl;Tryptophan Related CoMpound A;Tryptophan EP Impurity A 2HCl;L-Tryptophan,1,1'-ethylidenebis;1,1’-Ethylidenebis[L-tryptophan
CBNumber: CB3701001
Molecular Formula: C24H26N4O4
Formula Weight: 434.49
MOL File: 132685-02-0.mol

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PEAK E Property

Melting point:: >210°C (dec.)
Boiling point:: 718.5±60.0 °C(Predicted)
Density: 1.41±0.1 g/cm3(Predicted)
storage temp.: 0-6°C
solubility: Aqueous Base (Slightly)
pka: 1.95±0.10(Predicted)
color: Pale Beige to Brown
Stability:: Decomposes under acidic condition, Hygroscopic

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Safety

HS Code: 2933997500

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P330Rinse mouth.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: PHR2602
Product name: Tryptophan Related Compound A
Purity: Pharmaceutical Secondary Standard; Certified Reference Material
Packaging: 30MG
Price: $602
Updated: 2024/03/01

Sigma-Aldrich

Product number: E2205500
Product name: 1,1′-Ethylidenebistryptophan
Packaging: 2ea
Price: $153
Updated: 2024/03/01

Sigma-Aldrich

Product number: 1700512
Product name: 1,1′-Ethylidenebistryptophan
Packaging: 15mg
Price: $1440
Updated: 2024/03/01

TRC

Product number: E919880
Product name: 1,1’-Ethylidenebis[L-tryptophan]
Packaging: 25mg
Price: $180
Updated: 2021/12/16

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PEAK E Chemical Properties,Usage,Production

Uses

1,1’-Ethylidenebis[L-tryptophan] is a L-tryptophan (T947210) contaminant found in the peripheral blood mononuclear cells from patients with functional somatic syndromes.

PEAK E Preparation Products And Raw materials

Raw materials

Preparation Products

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PEAK E Suppliers

China 57 India 2 Japan 1 United Kingdom 2 United States 5 USA 1 Global 68

Changzhou Xianglong Pharmaceutical Technology Co., LTD

Tel: 0519-88910898 18661161657
Email: yaoxiangqiu2021@163.com
Country: China
ProdList: 9996
Advantage: 58

J & K SCIENTIFIC LTD.

Tel: 010-82848833 400-666-7788
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 94657
Advantage: 76

Sinopharm Chemical Reagent Co,Ltd.

Tel: 86-21-63210123
Fax: 86-21-63290778 86-21-63218885
Email: sj_scrc@sinopharm.com
Country: China
ProdList: 9815
Advantage: 79

Shanghai TaoSu Biochemical Technology Co., Ltd.

Tel: 021-33632979
Fax: 021-34692979
Email: info@tsbiochem.com
Country: China
ProdList: 8065
Advantage: 58

ChemStrong Scientific Co.,Ltd

Tel: 0755-0755-66853366 13670046396
Fax: 0755-28363542
Email: sales@chem-strong.com
Country: China
ProdList: 18070
Advantage: 56

Shanghai Kewel Chemical Co., Ltd.

Tel: 021-64609169 18901607656
Fax: 021-64609160
Email: greensnown@163.com
Country: China
ProdList: 9906
Advantage: 50

Nanjing XiZe Biotechnology CO., Ltd.

Tel: 025-66023220 0086-15250997978
Fax: 025-58362220
Email: 1511893459@qq.com
Country: China
ProdList: 7892
Advantage: 55

BOC Sciences

Tel: 16314854226
Email: info@bocsci.com
Country: United States
ProdList: 9923
Advantage: 65

Beijing Solarbio Science & Tecnology Co., Ltd.

Tel: 010-50973186 4009686088
Email: 3193328036@qq.com
Country: China
ProdList: 18338
Advantage: 68

Hubei Yangxin Medical Technology Co., Ltd.

Tel: 15374522761
Fax: QQ:2853117752
Email: 3003392093@qq.com
Country: China
ProdList: 8706
Advantage: 55

132685-02-0, PEAK ERelated Search:

QBWNUEJPRUVNTD-FOIQADDNSA-N (6R,trans)-6-(3,4-dihydroxyphenyl)-2,3,6,7,12,12a-hexahydro-2-Methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione Piperonyl aldehyde Tadalafil Impurity 44 Tadalafil Impurity 47 BENZHYDRYL 6,6-DIHYDROPENICILLIC ACID 1-OXIDE[TAZOBACTAM INTERMEDIATE] Tadalafil Impurity 49 HCl (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester Tadalafil EP IMpurity G Tadalafil Impurity 11 Tadalafil Impurity 39 Tadalafil Impurity 62 Tadalafil Impuirty 16 Tadalafil Impurity 25 (Mixture of Diastereomers) (1R,3R)-Methyl 1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate hydrochloride (1S,3R)-1-Benzo[1,3]dioxol-5-yl-2-(2-chloro-acetyl)-2,3,4,9-tetrahydro-1H-b-carboline-3-carboxylic Acid Methyl Ester Tadalafil iMpurity E Tadalafil Spiro-urethane Impurity (EP Impurity F)

1,1'-ETHYLIDENE-BIS(L-TRYPTOPHAN)

1,1'-ETHYLIDENE-BIS(L-TRYTOPHAN)

PEAK E

EBT

CONTAMINANT 97

Tryptophan Related Compound A (15 mg) (1,1'-ethylidene-bis-(L-tryptophan))

Tryptophan Related CoMpound A

Tadalafil Impurity Q

1,1'-ethylidenebis<l-tryptophan></l-tryptophan>

Tadalafil Impurity 50 DiHCl

L-Tryptophan,1,1'-ethylidenebis

1,1'-ethylidenebis

3,3'-[Ethylidenebis(1H-indole-1,3-d

1,1'-Ethylidenebistryptophan CRS

(2S,2'S)-3,3'-(1,1'-(Ethane-1,1-diyl)bis(1H-indole-3,1-diyl))bis(2-aminopropanoic acid)

Tadalafil Impurity (1,1?'-thylidenebistryptophan)

Tryptophan Related Compound A(Secondary Standards traceble to USP)

Tryptophan Related Compound A (1,1''-ethylidene-bis(L-tryptophan)) (1700512)

Tryptophan USP Related Compound A

Tryptophan EP Impurity A(Tryptophan USP Related Compound A)

1,1’-Ethylidenebis[L-tryptophan

Tryptophan EP Impurity A 2HCl

132685-02-0

Amino Acids & Derivatives, Pharmaceuticals, Intermediates & Fine Chemicals