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139373-36-7

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139373-36-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139373-36-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,3,7 and 3 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 139373-36:
(8*1)+(7*3)+(6*9)+(5*3)+(4*7)+(3*3)+(2*3)+(1*6)=147
147 % 10 = 7
So 139373-36-7 is a valid CAS Registry Number.

139373-36-7Relevant articles and documents

A New Fragmentation Reaction of γ-Oxosulfonium Methylides

Watanabe, Yoshihiko,Takeda, Toyonori,Anbo, Keiji,Ueno, Yoshio,Toru, Takeshi

, p. 159 - 162 (2007/10/02)

Reactions of sulfonium methylides attached to a 5- or 6-membered cycloalkanone undergo the ring-fission as a major reaction course to give α-methylene-ω-(phenylthio)carboxylates, whereas sulfonium methylides attached to a larger ring give α-methylenecycloalkanones predominantly.Reactions of the acyclic compounds are also examined.

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