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1391852-85-9

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1391852-85-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1391852-85-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,1,8,5 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1391852-85:
(9*1)+(8*3)+(7*9)+(6*1)+(5*8)+(4*5)+(3*2)+(2*8)+(1*5)=189
189 % 10 = 9
So 1391852-85-9 is a valid CAS Registry Number.

1391852-85-9Downstream Products

1391852-85-9Relevant academic research and scientific papers

Bronsted acid catalyzed cycloisomerizations of 5,2-enyne-1-ones: Highly regioselective synthesis of 2,3-dihydro-4H-pyran-4-ones

Yang, Fang,Ji, Ke-Gong,Zhao, Shu-Chun,Ali, Shaukat,Ye, Yu-Ying,Liu, Xue-Yuan,Liang, Yong-Min

scheme or table, p. 6470 - 6474 (2012/06/15)

Dual-action catalyst: A Bronsted acid catalyzed regioselective cycloisomerization was found to be highly effective for the preparation of structurally diverse 2,3-dihydro-4H-pyran-4-ones in a 6-exo-trig manner from the corresponding 5,2-enyne-1-ones. In t

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