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1254223-65-8

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1254223-65-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1254223-65-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,4,2,2 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1254223-65:
(9*1)+(8*2)+(7*5)+(6*4)+(5*2)+(4*2)+(3*3)+(2*6)+(1*5)=128
128 % 10 = 8
So 1254223-65-8 is a valid CAS Registry Number.

1254223-65-8Downstream Products

1254223-65-8Relevant articles and documents

Enantiodivergent formal total synthesis of aspercyclide C from l -(+)-tartaric acid

Prasad, Kavirayani R.,Gandi, Vasudeva Rao,Nidhiry, John Eugene,Bhat, Kavya S.

experimental part, p. 2521 - 2526 (2010/09/07)

The enantiodivergent formal syntheses of both enantiomers of aspercyclide C is accomplished. Starting from l-(+)-tartaric acid, the key protected allylic alcohol, (3R,4R)-4-(methoxymethoxy)non-1-en-3-ol is prepared, and is then elaborated into both enantiomers of 3-[(4-methoxybenzyl)oxy]non-1-en-4-ol via Mitsunobu inversion. Esterification with a known biaryl acid, followed by ring-closing metathesis and deprotection completes the syntheses. Georg Thieme Verlag Stuttgart - New York.

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