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75243-71-9

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75243-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75243-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,2,4 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75243-71:
(7*7)+(6*5)+(5*2)+(4*4)+(3*3)+(2*7)+(1*1)=129
129 % 10 = 9
So 75243-71-9 is a valid CAS Registry Number.

75243-71-9Relevant articles and documents

Dienyl homoallyl alcohols via palladium catalyzed ene-type reaction of aldehydes with 1,3-dienes

Fukushima, Masahiro,Takushima, Daiki,Kimura, Masanari

supporting information; experimental part, p. 16346 - 16348 (2011/02/22)

The combination of Pd catalyst and Xantphos ligand in the presence of Et3B nicely promotes the allylation of aldehydes with conjugated dienes to provide dienyl homoallyl alcohols in excellent yields. The reaction occurs selectively at the C-C double bond bearing higher electron density.

REGIOSPECIFIC CYCLOADDITION REACTIONS USING FUNCTIONALIZED ISOPRENYLSILANE AND RELATED COMPOUNDS

Hosomi, Akira,Sakata, Yasuyuki,Sakurai, Hideki

, p. 5175 - 5178 (2007/10/02)

1-Alkoxy-3-trimethylsilylmethyl- and 1-alkoxy-3-trimethylsilyl-l,3-butadienes (1) were newly prepared.The cycloaddition reactions of 1 with various dienophiles including heterodienophiles were found to proceed very smoothly in a perfectly regiospecific mo

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