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1585235-85-3

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1585235-85-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1585235-85-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,8,5,2,3 and 5 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1585235-85:
(9*1)+(8*5)+(7*8)+(6*5)+(5*2)+(4*3)+(3*5)+(2*8)+(1*5)=193
193 % 10 = 3
So 1585235-85-3 is a valid CAS Registry Number.

1585235-85-3Relevant articles and documents

Fluorous synthesis of mono-dispersed poly(ethylene glycols)

Li, Yu,Guo, Qi,Li, Xuefei,Zhang, Hua,Yu, Fanghua,Yu, Weijiang,Xia, Guiquan,Fu, Mingyang,Yang, Zhigang,Jiang, Zhong-Xing

, p. 2110 - 2113 (2014/04/03)

Mono-dispersed poly(ethylene glycols) (PEGs) are of great value in the development of biopharmaceuticals. However, tedious synthesis limits the availability of mono-dispersed PEGs. To address this issue, a fluorous synthesis of mono-dispersed PEGs, discretely PEGylated surfactants and 19F magnetic resonance imaging (MRI) agents has been developed. During the synthesis, both fluorous and normal phase silica gel-based solid-phase extractions were successfully employed to simplify the purifications. This synthesis provided an easy access to valuable mono-dispersed PEGs and related molecules for biomedical application on multi-gram scales.

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