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139499-20-0

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139499-20-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139499-20-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,4,9 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 139499-20:
(8*1)+(7*3)+(6*9)+(5*4)+(4*9)+(3*9)+(2*2)+(1*0)=170
170 % 10 = 0
So 139499-20-0 is a valid CAS Registry Number.

139499-20-0Downstream Products

139499-20-0Relevant articles and documents

Cleavage of Validoxylamine A Derivatives with N-Bromosuccinimide: Preparation of Blocked Synthons Useful for the Construction of Carba-oligosaccharides Composed of Imino-Linkages

Ogawa, Seiichiro,Nakajima, Akihiro,Miyamoto, Yasunobu

, p. 3287 - 3290 (2007/10/02)

Reaction of validoxylamine A and several of its derivatives with N-bromosuccinimide proceeded through cleavage of the imino bonds to give rise to the synthetically useful blocked derivatives of valienamine and validamine, and the cyclohexanone and cyclohe

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