(5aR,7aS,8S,8aS,11S,12aS,13aS)-8,8a-bis(3-((tert-butyldimethylsilyl)oxy)propyl)-11-methyl-5,5a,8,8a,10,11,12,12a-octahydroindeno[1',2':5,6][1,4]oxazino[4,3-a]indole-7,9(7aH,13aH)-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 1428243-83-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,8,2,4 and 3 respectively; the second part has 2 digits, 8 and 3 respectively. Calculate Digit Verification of CAS Registry Number 1428243-83: (9*1)+(8*4)+(7*2)+(6*8)+(5*2)+(4*4)+(3*3)+(2*8)+(1*3)=157 157 % 10 = 7 So 1428243-83-7 is a valid CAS Registry Number.
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