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CAS

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171504-92-0

5-tert-Butylcarbamoyl-2,3-dihydro-pyrazine-1,4-dicarboxylic acid 4-benzyl ester 1-tert-butyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

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  • 171504-92-0 Structure

  • Basic information

    1. Product Name: 5-tert-Butylcarbamoyl-2,3-dihydro-pyrazine-1,4-dicarboxylic acid 4-benzyl ester 1-tert-butyl ester
    2. Synonyms: 5-tert-Butylcarbamoyl-2,3-dihydro-pyrazine-1,4-dicarboxylic acid 4-benzyl ester 1-tert-butyl ester
    3. CAS NO:171504-92-0
    4. Molecular Formula:
    5. Molecular Weight: 417.505
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 171504-92-0.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: 5-tert-Butylcarbamoyl-2,3-dihydro-pyrazine-1,4-dicarboxylic acid 4-benzyl ester 1-tert-butyl ester(CAS DataBase Reference)
    10. NIST Chemistry Reference: 5-tert-Butylcarbamoyl-2,3-dihydro-pyrazine-1,4-dicarboxylic acid 4-benzyl ester 1-tert-butyl ester(171504-92-0)
    11. EPA Substance Registry System: 5-tert-Butylcarbamoyl-2,3-dihydro-pyrazine-1,4-dicarboxylic acid 4-benzyl ester 1-tert-butyl ester(171504-92-0)

  • 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: 171504-92-0(Hazardous Substances Data)

171504-92-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 171504-92-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,5,0 and 4 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 171504-92:
(8*1)+(7*7)+(6*1)+(5*5)+(4*0)+(3*4)+(2*9)+(1*2)=120
120 % 10 = 0
So 171504-92-0 is a valid CAS Registry Number.

171504-92-0Upstream product

171504-92-0Relevant articles and documents

Asymmetric hydrogenation of tetrahydropyrazines: Synthesis of (S)-piperazine-2-tert-butylcarboxamide, an intermediate in the preparation of the HIV protease inhibitor indinavir

Rossen,Weissman, Steven A.,Sager,Reamer,Askin,Volante,Reider

, p. 6419 - 6422 (1995)

Hydrogenation of tetrahydropyrazine 4g with [(R)-BINAP(COD)Rh]TfO gave piperazine 6g in 96% yield and 99% ee. Simple hydrogenolytic deprotection and crystallization afforded the key chiral (S)-N-Boc-piperazine MK-639 intermediate I in high yield and enant

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