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77305-90-9

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77305-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77305-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,0 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 77305-90:
(7*7)+(6*7)+(5*3)+(4*0)+(3*5)+(2*9)+(1*0)=139
139 % 10 = 9
So 77305-90-9 is a valid CAS Registry Number.

77305-90-9Downstream Products

77305-90-9Relevant articles and documents

A new synthetic method for the 2H-[1,2,3]thiadiazolo[5,4-b]indoles

Kondratieva, Maria L.,Pepeleva, Anna V.,Belskaia, Natalia P.,Koksharov, Alexandr V.,Groundwater, Paul V.,Robeyns, Koen,Van Meervelt, Luc,Dehaen, Wim,Fan, Zhi-Jin,Bakulev, Vasiliy A.

, p. 3042 - 3048 (2007/10/03)

The systematic study of oxidative cyclization of 3-hydrazono-1,3-dihydroindole-2-thiones has been carried out and a series of new?2H-[1,2,3]thiadiazolo[5,4-b]indoles has been prepared. The elaborated reaction represents an efficient method for the synthes

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