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13-[3'-(tert-butyldimethylsilyloxy)-17'β-(tetrahydro-2H-pyran-2-yl-oxy)-estra-1',3',5'(10')-trien-16'β-yl]-tridecyne is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

766543-55-9

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766543-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 766543-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,6,5,4 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 766543-55:
(8*7)+(7*6)+(6*6)+(5*5)+(4*4)+(3*3)+(2*5)+(1*5)=199
199 % 10 = 9
So 766543-55-9 is a valid CAS Registry Number.

766543-55-9Upstream product

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