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1567840-97-4

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1567840-97-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1567840-97-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,7,8,4 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1567840-97:
(9*1)+(8*5)+(7*6)+(6*7)+(5*8)+(4*4)+(3*0)+(2*9)+(1*7)=214
214 % 10 = 4
So 1567840-97-4 is a valid CAS Registry Number.

1567840-97-4Relevant articles and documents

Double asymmetric induction in the synthesis of enantiomeric α-aminophosphonic acids mediated by sulfinimines

Lyzwa, Piotr

, p. 15 - 19 (2014/02/14)

A double asymmetric induction in the synthesis of α-aminophosphonic acids is described. It involves the nucleophilic addition of anions of enantiomeric dimenthyl phosphites to both (+)-(S)- and (-)-(R)-enantiomers of N-(p-tolylsulfinyl)benzaldimine and subsequent acidic hydrolysis of the adducts formed. The match and mismatch effects were observed.

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