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1574525-91-9

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1574525-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1574525-91-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,4,5,2 and 5 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1574525-91:
(9*1)+(8*5)+(7*7)+(6*4)+(5*5)+(4*2)+(3*5)+(2*9)+(1*1)=189
189 % 10 = 9
So 1574525-91-9 is a valid CAS Registry Number.

1574525-91-9Downstream Products

1574525-91-9Relevant academic research and scientific papers

Simple and catalyst-free synthesis of meso -O-, -S-, and -C-substituted porphyrins

Chen, Qiang,Zhu, Yi-Zhou,Fan, Qiao-Jun,Zhang, Shao-Chun,Zheng, Jian-Yu

, p. 1590 - 1593 (2014/04/17)

A simple and efficient method for the meso-functionalization of porphyrin has been developed. Kinetic studies of meso-fluoro-, -chloro-, -bromo-, -iodo-, and -nitro-substituted porphyrins (Ni) with phenol reveal that the reaction undergoes a typical aroma

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