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Toluene-4-sulfonic acid (S)-3-((2R,3R,4S,5R,6S)-4,5-bis-benzyloxy-3-hydroxy-6-methoxy-tetrahydro-pyran-2-yl)-2-methoxymethoxy-propyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

202339-05-7

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202339-05-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 202339-05-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,3,3 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 202339-05:
(8*2)+(7*0)+(6*2)+(5*3)+(4*3)+(3*9)+(2*0)+(1*5)=87
87 % 10 = 7
So 202339-05-7 is a valid CAS Registry Number.

202339-05-7Downstream Products

202339-05-7Relevant articles and documents

Chiral Synthesis of the BC-Ring System of Ciguatoxin from D-Glucose

Ami, Ei'ichi,Kishimoto, Hisakazu,Ohrui, Hiroshi,Meguro, Hiroshi

, p. 2019 - 2024 (2007/10/03)

The BC-ring system of ciguatoxin was stereoselectively synthesized by 12 steps from methyl α-D-glucopyranoside.

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