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853570-31-7

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853570-31-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 853570-31-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,3,5,7 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 853570-31:
(8*8)+(7*5)+(6*3)+(5*5)+(4*7)+(3*0)+(2*3)+(1*1)=177
177 % 10 = 7
So 853570-31-7 is a valid CAS Registry Number.

853570-31-7Relevant articles and documents

Short asymmetric synthesis of (-)- and (+)-cis-lauthisan

Carreno, M. Carmen,Des Mazery, Renaud,Urbano, Antonio,Colobert, Francoise,Solladie, Guy

, p. 2039 - 2042 (2007/10/03)

(Chemical Equation Presented) The asymmetric synthesis of both enantiomers of cis-lauthisan (3) is achieved in only six steps from diethyl pimelate (4), the key steps being the diastereodivergent reduction of β-ketosulfoxide 7 and the highly cis-stereosel

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