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Methanone, 3H-indol-3-ylidene- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

61698-99-5

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61698-99-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 61698-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,1,6,9 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 61698-99:
(7*6)+(6*1)+(5*6)+(4*9)+(3*8)+(2*9)+(1*9)=165
165 % 10 = 5
So 61698-99-5 is a valid CAS Registry Number.

61698-99-5Downstream Products

61698-99-5Relevant academic research and scientific papers

Synthesis of N-confused porphyrin analogues by β-azafulvenone tetramerization

Qiao, Greg GuangHua,Wong, Ming Wah,Wentrup, Curt

, p. 8125 - 8131 (1996)

β-Azafulvenones 16 and 33 were generated from 14 or 18 and 31 or 37, respectively, and directly observed by IR spectroscopy. These heterocyclic ketenes tetramerize to the macrocycles 20 and 34.

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