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131927-91-8

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131927-91-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131927-91-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,9,2 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131927-91:
(8*1)+(7*3)+(6*1)+(5*9)+(4*2)+(3*7)+(2*9)+(1*1)=128
128 % 10 = 8
So 131927-91-8 is a valid CAS Registry Number.

131927-91-8Downstream Products

131927-91-8Relevant articles and documents

Stereoselective Total Synthesis of Polyether Ionophore Antibiotics, Isolasalocid A and Lasalocid A. Part 2. The Total Synthesis via Stereoselective Construction of the B Rings by Chelation-Controlled Cyclization under Thermodynamic Conditions

Horita, Kiyoshi,Noda, Ichio,Tanaka, Kazuhiro,Oikawa, Yuji,Yonemitsu, Osamu

, p. 5997 - 6018 (2007/10/02)

Stereoselective total synthesis of isolasalocid A (1) and lasalocid A (2) was achieved via construction of the tetrahydrofuran rings by chelation-controlled cyclization of the corresponding p-methoxyphenyl substituted allyl alcohols (6, 7) under thermodyn

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