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124175-83-3

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124175-83-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 124175-83-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,1,7 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 124175-83:
(8*1)+(7*2)+(6*4)+(5*1)+(4*7)+(3*5)+(2*8)+(1*3)=113
113 % 10 = 3
So 124175-83-3 is a valid CAS Registry Number.

124175-83-3Downstream Products

124175-83-3Relevant articles and documents

Synthesis of Hydroxyquinones and Related Compounds: Semisquaric Acids, (+/-)-Terreic Acid, (+/-)-Perezone, and (+/-)-Isoperezone

Enhsen, Alfons,Karabelas, Kostas,Heerding, Julia M.,Moore, Harold W.

, p. 1177 - 1185 (2007/10/02)

tert-Butoxyquinones were prepared from the thermal ring expansion of 4-alkynyl-, 4-alkenyl-, and 4-aryl-tert-butoxycyclobutenones and shown to be readily converted to hydroxyquinones upon treatment with trifluoroacetic acid at low temperature.This is a useful transformation since no reliable general route to hydroxyquinones has previously been available.The synthetic scope of this methodology as well as its specific utilization in the synthesis of a semisquaric acid, and the natural products, (+/-)-terreic acid, (+/-)-perezone, and (+/-)-isoperezone, are described.

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