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158380-42-8

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158380-42-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158380-42-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,3,8 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 158380-42:
(8*1)+(7*5)+(6*8)+(5*3)+(4*8)+(3*0)+(2*4)+(1*2)=148
148 % 10 = 8
So 158380-42-8 is a valid CAS Registry Number.

158380-42-8Relevant articles and documents

Highly Diastereoselective Reaction of a Chiral, Non-Racemic Amide Enolate with (S)-Glycidyl Tosylate. Synthesis of the Orally Active HIV-1 Protease Inhibitor L-735,524

Askin, David,Eng, Kan K.,Rossen, Kai,Purick, Robert M.,Wells, Kenneth M.,et al.

, p. 673 - 676 (1994)

Reaction of chiral amide enolate Li-1 with (S)-glycidyl tosylate 11 affords the epoxide 3 in 72percent yield with high diastereoselectivity.Epoxide 3 is converted to the orally-active HIV-1 protease inhibitor L-735,524 in 71percent isolated yield.

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