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159453-15-3

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159453-15-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 159453-15-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,9,4,5 and 3 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 159453-15:
(8*1)+(7*5)+(6*9)+(5*4)+(4*5)+(3*3)+(2*1)+(1*5)=153
153 % 10 = 3
So 159453-15-3 is a valid CAS Registry Number.

159453-15-3Downstream Products

159453-15-3Relevant articles and documents

Pummerer-type cyclization of Arnstein tripeptide analogues induced by O-silylated ketene acetals: Studies of penicillin biosynthesis

Kita, Yasuyuki,Shibata, Norio,Kawano, Noriyuki,Tohjo, Takashi,Fujimori, Chino,Ohishi, Hirofumi

, p. 5116 - 5121 (1994)

We report the first biomimetic conversion of Arnstein tripeptide analogues (1a and 1b) into cis β-lactams (2a and 2b) using O-silylated ketene acetal (3) involving asymmetric induction from the sulfoxide sulfur to the α-carbon. The peptide 1 was treated w

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