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66539-23-9

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66539-23-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66539-23-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,5,3 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 66539-23:
(7*6)+(6*6)+(5*5)+(4*3)+(3*9)+(2*2)+(1*3)=149
149 % 10 = 9
So 66539-23-9 is a valid CAS Registry Number.

66539-23-9Relevant articles and documents

Synthesis of N(α)- and C(α)-derivatives of (D)Ala2, Leu5-enkephalin

Filippi,Biondi,Filira,Rocchi

, p. 713 - 724 (2007/10/02)

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