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1638188-29-0

2,5-bis(4-methoxphenylamino)-3,6-bis(4-methoxyphenylimino)-3,6-dihydropyrazine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 1638188-29-0 Structure

  • Basic information

    1. Product Name: 2,5-bis(4-methoxphenylamino)-3,6-bis(4-methoxyphenylimino)-3,6-dihydropyrazine
    2. Synonyms: 2,5-bis(4-methoxphenylamino)-3,6-bis(4-methoxyphenylimino)-3,6-dihydropyrazine
    3. CAS NO:1638188-29-0
    4. Molecular Formula:
    5. Molecular Weight: 562.628
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 1638188-29-0.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 2,5-bis(4-methoxphenylamino)-3,6-bis(4-methoxyphenylimino)-3,6-dihydropyrazine(CAS DataBase Reference)
    10. NIST Chemistry Reference: 2,5-bis(4-methoxphenylamino)-3,6-bis(4-methoxyphenylimino)-3,6-dihydropyrazine(1638188-29-0)
    11. EPA Substance Registry System: 2,5-bis(4-methoxphenylamino)-3,6-bis(4-methoxyphenylimino)-3,6-dihydropyrazine(1638188-29-0)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 1638188-29-0(Hazardous Substances Data)

1638188-29-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1638188-29-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,8,1,8 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1638188-29:
(9*1)+(8*6)+(7*3)+(6*8)+(5*1)+(4*8)+(3*8)+(2*2)+(1*9)=200
200 % 10 = 0
So 1638188-29-0 is a valid CAS Registry Number.

1638188-29-0Downstream Products

1638188-29-0Relevant articles and documents

Novel dihydropyrazines and their double ortho-annulation to hexaazapentacenes

Strathausen, Rainer,Beckert, Rainer,Fleischhauer, Jan,Mueller, Dirk,Goerls, Helmar

, p. 641 - 649 (2014)

The cycloacylation of oxalic amidines 7 with bis-imidoylchlorides 6 furnished the dihydropyrazine derivatives 8. Due to their vicinal amino-imino substructures, they provide good preconditions for a double intramolecular ring closure reaction. An alternative synthesis for hexaaza-pentacenes 1 was developed using potassium carbonate as the base and lead tetraacetate as the oxidizing agent.

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