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151693-59-3

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151693-59-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 151693-59-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,6,9 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 151693-59:
(8*1)+(7*5)+(6*1)+(5*6)+(4*9)+(3*3)+(2*5)+(1*9)=143
143 % 10 = 3
So 151693-59-3 is a valid CAS Registry Number.

151693-59-3Downstream Products

151693-59-3Relevant articles and documents

(-)-Quinic Acid in Organic Synthesis. Part 4. Syntheses of Cyclophellitol and its (1R,6S)-, (2S)-, (1R,2S,6S)-Diastereoisomers

Shing, Tony K. M.,Tai, Vincent W.-F.

, p. 2017 - 2026 (2007/10/02)

Cyclophellitol 1 and its (1R,6S)-, (2S)-, (1R,2S,6S)-diastereoisomers 2, 3 and 4 are constructed from quinic acid involving the following key steps: regioselective cyclic sulfate ring opening, regiospecific oxidative elimination and an epoxidation.Diastereoisomers 1, 2, 3 and 4 are characterized as their corresponding tetraacetates 5, 6, 7 and 8.

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