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107319-93-7

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107319-93-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 107319-93-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,3,1 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 107319-93:
(8*1)+(7*0)+(6*7)+(5*3)+(4*1)+(3*9)+(2*9)+(1*3)=117
117 % 10 = 7
So 107319-93-7 is a valid CAS Registry Number.

107319-93-7Relevant articles and documents

Total Synthesis of Optically Active Integerrimine, a Twelve-membered Dilactonic Pyrrolizidine Alkaloid of Retronecine Type

Niwa, Haruki,Miyachi, Yasuyoshi,Okamoto, Osamu,Uosaki, Youichi,Kuroda, Akio,et al.

, p. 393 - 412 (2007/10/02)

A total synthesis of the natural enantiomer of integerrimine (1), a twelve-membered dilactonic pyrrolizidine alkaloid of retronecine type has been achieved through the enantioselective synthesis and regioselective coupling of (+)-retronecine (4) and (+)-integerrinecic acid (methylthio)methyl ether (6).

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