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4402-87-3

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4402-87-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4402-87-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,0 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4402-87:
(6*4)+(5*4)+(4*0)+(3*2)+(2*8)+(1*7)=73
73 % 10 = 3
So 4402-87-3 is a valid CAS Registry Number.

4402-87-3Relevant articles and documents

Derivatives of 6-aminopenicillanic acid. 8. Further analogues of 3-o-chlorophenyl-5-methyl-4-isoxazolylpenicillin.

Hanson,Long,Nayler,Stove

, p. 5976 - 5983 (2007/10/05)

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