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1239335-34-2

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1239335-34-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239335-34-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,3,3 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1239335-34:
(9*1)+(8*2)+(7*3)+(6*9)+(5*3)+(4*3)+(3*5)+(2*3)+(1*4)=152
152 % 10 = 2
So 1239335-34-2 is a valid CAS Registry Number.

1239335-34-2Relevant academic research and scientific papers

Enantioselctive syntheses of sulfur analogues of flavan-3-ols

Sharma, Pradeep K.,He, Min,Jurayj, Jurjus,Gou, Da-Ming,Lombardy, Richard,Romanczyk Jr., Leo J.,Schroeter, Hagen

experimental part, p. 5595 - 5619 (2010/12/18)

The first enantioselective syntheses of sulfur flavan-3-ol analogues 1-8 have been accomplished, whereby the oxygen atom of the pyran ring has been replaced by a sulfur atom. The key steps were: (a) Pd(0) catalyzed introduction of -S t-butyl group, (b) Sh

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