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121673-49-2

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121673-49-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121673-49-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,6,7 and 3 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 121673-49:
(8*1)+(7*2)+(6*1)+(5*6)+(4*7)+(3*3)+(2*4)+(1*9)=112
112 % 10 = 2
So 121673-49-2 is a valid CAS Registry Number.

121673-49-2Downstream Products

121673-49-2Relevant articles and documents

Complications in the Reactions of Tris(thio)methyl-lithium Derivatives with δ-Valerolactone

Yates, Peter,Krepinsky, Jiri J.,Seif-el-nasr, Azza

, p. 177 - 178 (1989)

Reaction of tris(methylthio)methyl-lithium, tris(phenylthio)methyl-lithium, and 2-lithio-2-(methylthio)-1,3-dithiane with δ-valerolactone gives, respectively, 2tetrahydropyran-2-ol, phenyl tetrahydro-2-oxo-pyran-3-thiocarboxylate, and both 2-tetrahydropyran-2-ol and 2-tetrahydro-2-(methylthio)pyran-2-ol.

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