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133565-36-3

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133565-36-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133565-36-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,5,6 and 5 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 133565-36:
(8*1)+(7*3)+(6*3)+(5*5)+(4*6)+(3*5)+(2*3)+(1*6)=123
123 % 10 = 3
So 133565-36-3 is a valid CAS Registry Number.

133565-36-3Relevant articles and documents

Synthesis of Terminal Thiazoles from N-Protected Amino Acids and a Study of Their Antibacterial Activities

Lalithamba,Uma,Gowthami,Nagendra

, p. 181 - 191 (2020/03/30)

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A new efficient synthesis of (S)-dolaphenine ((S)-2-phenyl-1-(2-thiazolyl)ethylamine), the C-terminal unit of dolastatin 10

Irako,Hamada,Shiori

, p. 7251 - 7264 (2007/10/02)

Four methods for the preparation of (S)-dolaphenine ((S)-2-phenyl-1-(2-thiazolyl)ethylamine, 2), which constitutes the C-terminal unit of dolastatin 10 (1) having strong anticancer activity, has been investigated. Of these, the most efficient one involved the acylation of 2-lithiothiazole with N-methoxy-N-methylphenylacetamide (8), asymmetric reduction with (+)-diisopinocampheylchloroborane (11g), followed by the modified Mitsunobu reaction utilizing diphenyl phosphorazidate.

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