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123201-60-5

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123201-60-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123201-60-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,2,0 and 1 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 123201-60:
(8*1)+(7*2)+(6*3)+(5*2)+(4*0)+(3*1)+(2*6)+(1*0)=65
65 % 10 = 5
So 123201-60-5 is a valid CAS Registry Number.

123201-60-5Relevant articles and documents

REACTIVITY PARAMETERS OF THE METAL ASSISTED 1,2-CLEAVAGE OF PENICILLINS

Alpegiani, Marco,Bodeschi, Angelo,Bissolino, Pierluigi,Visentin, Giuseppina,Zarini, Franco,et al.

, p. 617 - 628 (2007/10/02)

A straightforward and smooth conversion of penicillins into 1,2-secopenicillanates is described.The thiazolidine ring opening is brought about by the co-operative effect of strong non-nucleophilic bases and thiophilic heavy metal salts.The nature of the l

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