137411-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137411-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,4,1 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137411-43:
(8*1)+(7*3)+(6*7)+(5*4)+(4*1)+(3*1)+(2*4)+(1*3)=109
109 % 10 = 9
So 137411-43-9 is a valid CAS Registry Number.
137411-43-9Relevant articles and documents
Rearrangement of Sulphonium Ylides of the 1H-1,4-Thiazine Type
Foster, Robert,Gilchrist, Thomas L.
, p. 2249 - 2254 (2007/10/02)
1H-Phenothiazinones 1 bearing benzyl and 3-methylbut-2-enyl substituents on sulphur have been generated.These ylides are not isolable but undergo rearrangement to 2H-phenothiazinones.Migration of the methylbutenyl substituent takes place with allylic inve
