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(20R)-5α-pregn-9(11)ene-3β,6α,20-triol triacetate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75921-91-4

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75921-91-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75921-91-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,9,2 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 75921-91:
(7*7)+(6*5)+(5*9)+(4*2)+(3*1)+(2*9)+(1*1)=154
154 % 10 = 4
So 75921-91-4 is a valid CAS Registry Number.

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