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117765-74-9

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117765-74-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117765-74-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,7,6 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 117765-74:
(8*1)+(7*1)+(6*7)+(5*7)+(4*6)+(3*5)+(2*7)+(1*4)=149
149 % 10 = 9
So 117765-74-9 is a valid CAS Registry Number.

117765-74-9Upstream product

117765-74-9Downstream Products

117765-74-9Relevant academic research and scientific papers

CHEMICAL TRANSFORMATIONS OF S541 FACTORS (A)-(D): PREPARATION AND REACTIONS OF THE 23-KETONES

Beddall, Nicola E.,Howes, Peter D.,Ramsay, Michael V. J.,Roberts, Stanley M.,Slawin, Alexandra M. Z.,et al.

, p. 2595 - 2598 (1988)

The stereoselectivities observed for the reactions of the ketones (5) and (7) with sodium borohydride, Grignard reagents and methoxylamine are described and X-ray data for the oxime (9) are presented.

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