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934-19-0

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934-19-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 934-19-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,3 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 934-19:
(5*9)+(4*3)+(3*4)+(2*1)+(1*9)=80
80 % 10 = 0
So 934-19-0 is a valid CAS Registry Number.

934-19-0Relevant articles and documents

Ring-expansion protocol: Preparation of synthetically versatile dihydrotropones

Do, Young-Sun,Sun, Ruiying,Kim, Hee Jin,Yeo, Jung Eun,Bae, Sung-Hee,Koo, Sangho

supporting information; experimental part, p. 917 - 920 (2009/06/20)

A ring-expansion protocol that consisted of the 1,2-addition of various enolate nucleophiles to 6-trimethylsiloxy-2- cyclohexene-1-one (1) and the NaIO4-promoted oxidative ring opening of the resulting diols 2, followed by an intramolecular Kno

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