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4038-21-5

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4038-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4038-21-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,3 and 8 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 4038-21:
(6*4)+(5*0)+(4*3)+(3*8)+(2*2)+(1*1)=65
65 % 10 = 5
So 4038-21-5 is a valid CAS Registry Number.

4038-21-5Downstream Products

4038-21-5Relevant articles and documents

Investigations of the Thermal Responsiveness of 1,4,2-Oxathiazoles

Hewitt, Russell J.,Ong, Michelle Jui Hsien,Lim, Yi Wee,Burkett, Brendan A.

supporting information, p. 6687 - 6700 (2015/10/29)

The first systematic study of the thermal rearrangement/fragmentation of 5,5-disubstituted 1,4,2-oxathiazoles into isothiocyanates is reported. Structure-activity relationships reveal that the choice of substituent at the 5-position of the 1,4,2-oxathiazoles is the predominant factor to influence the ease of fragmentation.

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