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76177-68-9

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76177-68-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76177-68-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,1,7 and 7 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 76177-68:
(7*7)+(6*6)+(5*1)+(4*7)+(3*7)+(2*6)+(1*8)=159
159 % 10 = 9
So 76177-68-9 is a valid CAS Registry Number.

76177-68-9Upstream product

76177-68-9Downstream Products

76177-68-9Relevant academic research and scientific papers

A NEW REARRANGEMENT OF SPIRO-3H-PYRAZOLES

Mataka, Shuntaro,Takahashi, Kazufumi,Ohshima, Takeshi,Tashiro, Masashi

, p. 915 - 918 (1980)

The thermally labile spiro-3H-pyrazoles obtained by the reaction of diazoindenothiophenes with dimethyl acetylenedicarboxylate rearranged into the corresponding 3H-pyrazoles which are formed via Van Alphen-Huettel rearrangement followed by the migration of an ester group.

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