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131757-93-2

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131757-93-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131757-93-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,7,5 and 7 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 131757-93:
(8*1)+(7*3)+(6*1)+(5*7)+(4*5)+(3*7)+(2*9)+(1*3)=132
132 % 10 = 2
So 131757-93-2 is a valid CAS Registry Number.

131757-93-2Downstream Products

131757-93-2Relevant articles and documents

Synthesis of Per-O-alkylated 5-Thio-D-glucono-1,5-lactones and Transannular Participation of the Ring Sulphur Atom of 5-Thio-D-glucose Derivatives on Solvolysis under Acidic Conditions

Yuasa, Hideya,Tamura, Jun-ichi,Hashimoto, Hironobu

, p. 2763 - 2769 (2007/10/02)

Per-O-alkylated 5-thio-D-glucono-1,5-lactones (33)-(35) were synthesized via acetolysis or hydrolysis of the corresponding methyl glycosides (21)-(23).Transannular participation of the sulphur atom on acid methanolysis of 3,6-di-O-acetyl-5-S-acetyl-1,2-O-

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