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852050-21-6

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852050-21-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 852050-21-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,2,0,5 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 852050-21:
(8*8)+(7*5)+(6*2)+(5*0)+(4*5)+(3*0)+(2*2)+(1*1)=136
136 % 10 = 6
So 852050-21-6 is a valid CAS Registry Number.

852050-21-6Relevant articles and documents

Efficient access to 2-aryl-3-substituted benzo[b]thiophenes

David, Emilie,Perrin, Julie,Pellet-Rostaing, Stephane,Fournier Dit Chabert, Jeremie,Lemaire, Marc

, p. 3569 - 3573 (2007/10/03)

(Chemical Equation Presented) Benzo[b]thiophene derivatives are important in part because of their use as selective estrogen receptor modulators. They are usually synthesized by intramolecular cyclization. Here, we propose a method for the synthesis of 2-

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