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142433-31-6

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142433-31-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142433-31-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,4,3 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 142433-31:
(8*1)+(7*4)+(6*2)+(5*4)+(4*3)+(3*3)+(2*3)+(1*1)=96
96 % 10 = 6
So 142433-31-6 is a valid CAS Registry Number.

142433-31-6Downstream Products

142433-31-6Relevant articles and documents

SYNTHESEIS OF HYDRAZONE DERIVATIVES FROM 1,2:5,6-DI-O-ISOPROPYLIDENE-α-D-RIBO-HEXOFURANOS-3-ULOSE

Wit, D. de,Qing, Cui Yi,Rantwijk, F. van,Maat, L.,Kieboom, A. P. G.

, p. 307 - 312 (2007/10/02)

Protected D-ribo-hexos-3-ulose, 1,2:5,6-di-O-isopropylidene-α-D-glucofuranos-3-ulose, is converted into the corresponding hydrazone derivatives by reaction with hydrazine, methyl-, phenyl-, and tert-butylhydrazine.Two isomeric (Z and E) hydrazono-carbohydrates were obtained.The structures of these isomers were established by 1H and 13C NMR as well as by single-crystal X-ray analysis.

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