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1-[(tert-butyldimethylsilyl)oxy]-3-trimethylsilyl-9Hβ-estra-1,3,5(10),7-tetraene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

250331-27-2

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250331-27-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 250331-27-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,3,3 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 250331-27:
(8*2)+(7*5)+(6*0)+(5*3)+(4*3)+(3*1)+(2*2)+(1*7)=92
92 % 10 = 2
So 250331-27-2 is a valid CAS Registry Number.

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