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118214-56-5

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118214-56-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118214-56-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,2,1 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 118214-56:
(8*1)+(7*1)+(6*8)+(5*2)+(4*1)+(3*4)+(2*5)+(1*6)=105
105 % 10 = 5
So 118214-56-5 is a valid CAS Registry Number.

118214-56-5Downstream Products

118214-56-5Relevant articles and documents

Synthetic studies on antibiotic validamycins. Part 13. Total synthesis of (+)-validamycins A and E, and related compounds

Miyamoto, Yasunobu,Ogawa, Seiichiro

, p. 1013 - 1018 (2007/10/02)

(+)-Validoxylamine A (1) has been completely synthesized by deoxygenation of the validoxylamine B derivative (6) through formation of the aziridine, nucleophilic displacement with toluenethiol, reduction with Raney nickel, and deprotection. The validoxylamine A derivative (10) obtained was convertible, by glycosylation followed by deprotection, into validamycins A (2), E (3), and their analogues, which constitutes a total synthesis thereof.

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