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50459-21-7

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50459-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50459-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,4,5 and 9 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 50459-21:
(7*5)+(6*0)+(5*4)+(4*5)+(3*9)+(2*2)+(1*1)=107
107 % 10 = 7
So 50459-21-7 is a valid CAS Registry Number.

50459-21-7Relevant articles and documents

Enantioselective synthesis of (1S,3S,5R)-1-acetoxy-5-benzyl-oxycyclohexan-3-ol and its application to the synthesis of compactin lactone moiety and quinic acid

Suemune,Matsuno,Uchida,Sakai

, p. 297 - 306 (2007/10/02)

Porcine liver esterase (PLE)-catalyzed asymmetric hydrolysis of meso-1,3-cis,3,5-cis-1,3-diacetoxy-5-benzyloxycyclohexane 1 afforded (1S,3S,5R)-2 of 87% e.e. Starting from this compound, compactin lactone moiety 17A and its C-6 diastereomer 17B were diast

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