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157665-55-9

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157665-55-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157665-55-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,6,6 and 5 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 157665-55:
(8*1)+(7*5)+(6*7)+(5*6)+(4*6)+(3*5)+(2*5)+(1*5)=169
169 % 10 = 9
So 157665-55-9 is a valid CAS Registry Number.

157665-55-9Downstream Products

157665-55-9Relevant articles and documents

Novel prodrugs of alkylating agents derived from 2-fluoro- and 3- fluorobenzoic acids for antibody-directed enzyme prodrug therapy

Springer,Niculescu-Duvaz,Pedley

, p. 2361 - 2370 (2007/10/02)

The synthesis of six novel fluorinated potential prodrugs for antibody- directed enzyme prodrug therapy is described. The [2- and 3-fluoro-4-[bis(2- chloroethyl)amino]benzoyl]-L-glutamic acid (9 and 21), their bis(mesyloxy)ethyl derivatives (7 and 19), an

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