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2,2-Dimethyl-propionic acid (S)-2-benzyloxycarbonylamino-2-[(4S,5S)-5-((R)-2-benzyloxycarbonylamino-propionylamino)-2,2-dimethyl-[1,3]dioxan-4-yl]-ethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

81658-14-2

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81658-14-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81658-14-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,5 and 8 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 81658-14:
(7*8)+(6*1)+(5*6)+(4*5)+(3*8)+(2*1)+(1*4)=142
142 % 10 = 2
So 81658-14-2 is a valid CAS Registry Number.

81658-14-2Relevant academic research and scientific papers

NEW METHODS AND REAGENTS IN ORGANIC SYNTHESIS. 24. A NEW SYNTHESIS OF PRUMYCIN AS AN APPLICATION OF THE DIRECT C-ACYLATION USING DIPHENYL PHOSPHORAZIDATE (DPPA)

Hamada, Yasumasa,Shioiri, Takayuki

, p. 1193 - 1196 (2007/10/02)

The 5-substituted 4-methoxycarbonyloxazole 5 derived from L-serine derivative 3 using diphenyl phosphorazidate (DPPA) has been converted to a 2,4-diaminosugar antibiotic, prumycin.

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