(7aR)-5t,13t-diacetoxy-(5at,13at)-5,5a,13,13a-tetrahydro-8H,16H-7ar,15ac-epitetrasulfano-bis(oxepino[3',4':4,5]pyrrolo)[1,2-a;1',2'-d]pyrazine-7,15-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 25825-54-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,5,8,2 and 5 respectively; the second part has 2 digits, 5 and 4 respectively. Calculate Digit Verification of CAS Registry Number 25825-54: (7*2)+(6*5)+(5*8)+(4*2)+(3*5)+(2*5)+(1*4)=121 121 % 10 = 1 So 25825-54-1 is a valid CAS Registry Number.
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