(4S,4aS,7S,9aS)-4-<4-(1,3-dioxolanyl)butyl>-4,7-dimethyl-1,2,3,4,5,6,7,9a-octahydro-4a,7-methano-4aH-benzocyclohepten-2(1H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 236745-89-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,6,7,4 and 5 respectively; the second part has 2 digits, 8 and 9 respectively. Calculate Digit Verification of CAS Registry Number 236745-89: (8*2)+(7*3)+(6*6)+(5*7)+(4*4)+(3*5)+(2*8)+(1*9)=164 164 % 10 = 4 So 236745-89-4 is a valid CAS Registry Number.
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