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1259381-75-3

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1259381-75-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1259381-75-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,9,3,8 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1259381-75:
(9*1)+(8*2)+(7*5)+(6*9)+(5*3)+(4*8)+(3*1)+(2*7)+(1*5)=183
183 % 10 = 3
So 1259381-75-3 is a valid CAS Registry Number.

1259381-75-3Downstream Products

1259381-75-3Relevant academic research and scientific papers

Synthesis of 1,4-naphthoquinone methides via acid-catalyzed cascade cyclizations of benzannulated enediynyl alcohols

Wen, Bo,Petersen, Jeffrey L.,Wang, Kung K.

supporting information; experimental part, p. 168 - 171 (2011/03/19)

Treatment of benzannulated enediynyl alcohols with trifluoroacetic acid at room temperature promoted a cascade sequence of cyclization reactions, leading to 1,4-naphthoquinone methides. The transformation involved an unusual two-carbon ring expansion from

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