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136516-55-7

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136516-55-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136516-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,5,1 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 136516-55:
(8*1)+(7*3)+(6*6)+(5*5)+(4*1)+(3*6)+(2*5)+(1*5)=127
127 % 10 = 7
So 136516-55-7 is a valid CAS Registry Number.

136516-55-7Relevant articles and documents

A convenient synthetic approach to new α-(9-fluorenylmethoxycarbonylamino)alkylphosphonic acid derivatives

Dumy,Escale,Girard,Parello,Vidal

, p. 1226 - 1228 (2007/10/02)

Benzyl hydrogen α-(9-fluorenylmethoxycarbonylamino)alkylphosphonates 4, obtained by the sodium metaperiodate oxidation of the corresponding phosphinates 3, were converted to the chloridates 5 and coupled with the N(ε)-protected lysine benzyl ester to affo

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