(1aα,3aβ,3bα,4α,6aα,7β,7aS)-3,3a,3b,4,5,6a,7,7a-octahydro-3a,5,5-trimethyl-4,7-dihydroxy-3-methylenecyclopenta<4,5>pentaleno<1,6a-b>oxiren-2(1aH)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 77732-40-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,7,3 and 2 respectively; the second part has 2 digits, 4 and 0 respectively. Calculate Digit Verification of CAS Registry Number 77732-40: (7*7)+(6*7)+(5*7)+(4*3)+(3*2)+(2*4)+(1*0)=152 152 % 10 = 2 So 77732-40-2 is a valid CAS Registry Number.
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