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77129-98-7

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77129-98-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77129-98-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,1,2 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77129-98:
(7*7)+(6*7)+(5*1)+(4*2)+(3*9)+(2*9)+(1*8)=157
157 % 10 = 7
So 77129-98-7 is a valid CAS Registry Number.

77129-98-7Upstream product

77129-98-7Downstream Products

77129-98-7Relevant academic research and scientific papers

SYNTHESIS AND PHYSICAL PROPERTIES OF 6,12-DIARYLAZULENOAZULENES

Toda, Takashi,Shimazaki, Norihiko,Mukai, Toshio,Kabuto, Chizuko

, p. 4001 - 4004 (1980)

The structure of a minor dimer (2a) of 1-arylcycloheptatrienylidenethylene was determined by X-ray crystallography.Dehydration of 2a and 2b gave novel nonbenzenoid aromatics----6,12-diarylazulenoazulenes (3a and 3b), whose electronic and NMR spectral properties were reported.

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