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Butanamide, N-[5-nitro-2-(phenylethynyl)phenyl]- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

500992-05-2

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500992-05-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 500992-05-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,0,9,9 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 500992-05:
(8*5)+(7*0)+(6*0)+(5*9)+(4*9)+(3*2)+(2*0)+(1*5)=132
132 % 10 = 2
So 500992-05-2 is a valid CAS Registry Number.

500992-05-2Relevant articles and documents

Stepwise and one-pot cross-coupling-heteroannulation approaches toward 2-substituted C5-, C6-, and C7-nitroindoles

Sun, Li-Ping,Huang, Xiang-Hong,Dai, Wei Min

, p. 10983 - 10992 (2007/10/03)

A general and efficient synthesis of 2-substituted C5-, C6-, and C7-nitroindoles has been established. Starting from commercially available 2-amino nitrophenols, C5-, C6-, and C7-nitroindoles were synthesized via the stepwise Pd-catalyzed cross-coupling o

Chemistry of aminophenols. Part 2: A general and efficient synthesis of indoles possessing a nitrogen substituent at the C4, C5, C6, and C7 positions

Dai, Wei-Min,Sun, Li-Ping,Guo, Dian-Shun

, p. 7699 - 7702 (2007/10/03)

A general and efficient synthesis of indoles possessing a nitrogen substituent at the C4, C5, C6, and C7 positions has been developed. Starting from commercially available nitro 2-aminophenols, 5-, 6-, and 7-arenesulfamoylindoles were synthesized via a ba

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