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198217-02-6

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198217-02-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198217-02-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,2,1 and 7 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 198217-02:
(8*1)+(7*9)+(6*8)+(5*2)+(4*1)+(3*7)+(2*0)+(1*2)=156
156 % 10 = 6
So 198217-02-6 is a valid CAS Registry Number.

198217-02-6Downstream Products

198217-02-6Relevant articles and documents

Total synthesis of acinetoferrin

Wang, Queenie Xianghong,Phanstiel IV, Otto

, p. 1491 - 1495 (2007/10/03)

The total synthesis of a novel siderophore, acinetoferrin, is described. The key transformation involves the tandem oxidation and acylation of the N3-amino group of N1-BOC propane diamine prior to coupling with the external carboxyls of citric acid. A 'one-pot-two-step' reaction converted a primary amine (RNH2) into a O-benzoyl hydroxamate (i.e., RN(OOCPh)COR') in good yield (68%). These studies demonstrated the utility of the O-benzoyl protecting group in the synthesis of α,β-unsaturated hydroxamic acids.

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