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1β,2,3,4,4a,4bα,5,6,7,9β,10,10aα-dodecahydro-9α-hydroxy-1α,4aβ-dimethyl-2,7-phenanthrenedione 2-ethylene acetal is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

80989-75-9

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80989-75-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80989-75-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,8 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 80989-75:
(7*8)+(6*0)+(5*9)+(4*8)+(3*9)+(2*7)+(1*5)=179
179 % 10 = 9
So 80989-75-9 is a valid CAS Registry Number.

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