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(17α,20E)-21-<125I>iodo-19-norpregna-1,3,5(10),20-tetraene-3,17-diol 3-acetate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

91085-42-6

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91085-42-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91085-42-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,8 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 91085-42:
(7*9)+(6*1)+(5*0)+(4*8)+(3*5)+(2*4)+(1*2)=126
126 % 10 = 6
So 91085-42-6 is a valid CAS Registry Number.

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