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74890-50-9

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74890-50-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74890-50-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,9 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 74890-50:
(7*7)+(6*4)+(5*8)+(4*9)+(3*0)+(2*5)+(1*0)=159
159 % 10 = 9
So 74890-50-9 is a valid CAS Registry Number.

74890-50-9Downstream Products

74890-50-9Relevant articles and documents

An efficient protocol for the one-pot multicomponent synthesis of polysubstituted pyridines by using a biopolymer-based magnetic nanocomposite

Maleki, Ali,Jafari, Abbas Ali,Yousefi, Somayeh,Eskandarpour, Vahid

, p. 1307 - 1312 (2015)

A biopolymer cellulose-based magnetic composite nanocatalyst was prepared and characterized by using scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDX). Then, it was used efficiently in the multicomponent synthesis of polysu

SO4 ?2/SnO2–catalyzed cyclocondensation for the synthesis of fully functionalized pyridines

Koduri, Ramesh Goud,Pagadala, Ramakanth,Boodida, Sathyanarayana,Varala, Ravi

, p. 923 - 928 (2019/11/22)

An efficient and promising synthetic approach to assemble skeletons of multifunctionalized pyridine derivatives in presence of recyclable heterogeneous sulfated tin oxide (STO) catalyst has been evolved. The STO catalyst was used as a promoter for the cyc

Sulfonic acid-functionalized graphitic carbon nitride composite: a novel and reusable catalyst for the one-pot synthesis of polysubstituted pyridine in water under sonication

Edrisi, Mahtab,Azizi, Najmedin

, p. 901 - 910 (2019/12/27)

Graphitic carbon nitride as an interesting sustainable soft nanomaterial has drawn broad interdisciplinary attention because of unique electronic structure and chemical stability. An ultrasound-assisted preparation of a series of polysubstituted pyridines

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