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81729-02-4

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81729-02-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81729-02-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,7,2 and 9 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81729-02:
(7*8)+(6*1)+(5*7)+(4*2)+(3*9)+(2*0)+(1*2)=134
134 % 10 = 4
So 81729-02-4 is a valid CAS Registry Number.

81729-02-4Downstream Products

81729-02-4Relevant articles and documents

ADDITION OF SODIUM BISULFITE TO DERIVATIVES OF ETHYL ESTERS OF α-SUBSTITUTED CINNAMIC ACIDS

Samarenko, V. Ya.,Markova, N. R.,Passet, B. V.

, p. 122 - 127 (2007/10/02)

The reaction of derivatives of ethyl esters of α-substituted cinnamic acids with sodium bisulfite under conditions excluding radical addition gave the corresponding derivatives of 2-R-substituted sodium 1-phenyl-2-ethoxycarbonyl-1-ethanesulfonates.The eff

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