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1335014-19-1

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1335014-19-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1335014-19-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,5,0,1 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1335014-19:
(9*1)+(8*3)+(7*3)+(6*5)+(5*0)+(4*1)+(3*4)+(2*1)+(1*9)=111
111 % 10 = 1
So 1335014-19-1 is a valid CAS Registry Number.

1335014-19-1Relevant articles and documents

Stereoselective total synthesis of (+)-cryptofolione and (+)-goniothalamin

Das, Biswanath,Nagendra, Siddavatam,Reddy, Cheruku Ravindra

, p. 1249 - 1254 (2011/10/19)

The stereoselective total synthesis of two naturally occurring α-pyrone derivatives (+)-cryptofolione and (+)-goniothalamin has been accomplished via a common intermediate. The synthetic sequence involves the asymmetric reduction of a propargyl ketone and olefin cross-metathesis as the key reactions.

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