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(5′R,8′S,10′R,13′S,14′S)-5,5,13′-trimethyl-1′,2′,6′,7′,8′,12′,13′,14′,15′,16′-decahydro-17′H-spiro[1,3-dioxane-2,3′-[5,10]epoxycyclopenta[a]phenanthren]-17′-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91175-93-8

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91175-93-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91175-93-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,7 and 5 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91175-93:
(7*9)+(6*1)+(5*1)+(4*7)+(3*5)+(2*9)+(1*3)=138
138 % 10 = 8
So 91175-93-8 is a valid CAS Registry Number.

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