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151003-65-5

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151003-65-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 151003-65-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,1,0,0 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 151003-65:
(8*1)+(7*5)+(6*1)+(5*0)+(4*0)+(3*3)+(2*6)+(1*5)=75
75 % 10 = 5
So 151003-65-5 is a valid CAS Registry Number.

151003-65-5Relevant articles and documents

Stereoselective syntheses of (-)-chloramphenicol and (+)-thiamphenicol

Hajra, Saumen,Karmakar, Ananta,Maji, Tapan,Medda, Amiya Kumar

, p. 8959 - 8965 (2007/10/03)

Chloramphenicol and thiamphenicol have been enantioselectively synthesized using an asymmetric halohydrin reaction as a key step. In particular, halomethoxylation reaction was used, where O-methyl functions as a hydroxyl protecting group and eliminates an additional protection step.

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