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81902-29-6

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81902-29-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81902-29-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,9,0 and 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81902-29:
(7*8)+(6*1)+(5*9)+(4*0)+(3*2)+(2*2)+(1*9)=126
126 % 10 = 6
So 81902-29-6 is a valid CAS Registry Number.

81902-29-6Relevant articles and documents

Chemistry of diazocarbonyl compounds: XVIII. Synthesis and spectral parameters of 1,3-dialkyl- 3-hydroxy-2-diazoketones

Zhdanova,Korneev,Nikolaev

, p. 316 - 328 (2007/10/03)

Reduction of the carbonyl groups in cyclic and acyclic 2-diazo-1,3- diketones with sodium tetrahydridoborate in aqueous-alcoholic medium, followed by hydrolysis of the reaction mixture over wet silica gel and chromatographic purification on neutral alumin

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