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130608-06-9

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130608-06-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130608-06-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,6,0 and 8 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 130608-06:
(8*1)+(7*3)+(6*0)+(5*6)+(4*0)+(3*8)+(2*0)+(1*6)=89
89 % 10 = 9
So 130608-06-9 is a valid CAS Registry Number.

130608-06-9Relevant articles and documents

THE PREPARATION OF 2-HYDRAZINYL ESTERS IN HIGH OPTICAL PURITY FROM 2-SULFONYLOXY ESTERS

Hoffmann, Robert V.,Kim, Hwa-Ok

, p. 2953 - 2956 (1990)

Chiral 2-triflyloxy esters, prepared from chiral 2-hydroxy esters, react enantiospecifically with BocNHNH2 to produce optically pure 2-hydrazinyl ester derivatives in high yields.The reaction of 2-nosyloxy esters with BocNHNH2 gives 2-(Boc-hydrazinyl) esters, thus providing an efficient (albeit slow) method for the conversion of esters to 2-hydrazinyl ester derivatives.

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