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1019753-91-3

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1019753-91-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1019753-91-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,9,7,5 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1019753-91:
(9*1)+(8*0)+(7*1)+(6*9)+(5*7)+(4*5)+(3*3)+(2*9)+(1*1)=153
153 % 10 = 3
So 1019753-91-3 is a valid CAS Registry Number.

1019753-91-3Relevant academic research and scientific papers

Second-generation synthesis of syn- and anti-cycloheptadienylsulfone polyketide stereodiads

Noshi, Mohammad N.,El-Awa, Ahmad,Fuchs, Philip L.

, p. 3274 - 3277 (2008/09/20)

(Chemical Equation Presented) Stereodiad sulfones 18a and 18b are key intermediates for polyketide synthesis. This note describes the synthesis of 18a and 18b from enantiopure epoxide 2. The two sequences have been optimized for large-scale synthesis to g

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