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77420-76-9

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77420-76-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77420-76-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,2 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 77420-76:
(7*7)+(6*7)+(5*4)+(4*2)+(3*0)+(2*7)+(1*6)=139
139 % 10 = 9
So 77420-76-9 is a valid CAS Registry Number.

77420-76-9Relevant articles and documents

1,4-Cycloaddition of Isothiocyanates to Azomethines and Fungitoxicity of Resulting 1,3,4-Thiadiazolo-s-triazine-5(6H,7H)-thiones

Singh, H.,Yadav, L. D. S.,Sharma, K. S.

, p. 480 - 481 (2007/10/02)

Several 2,6,7-trisubstituted 1,3,4-thiadiazolo-s-triazine-5(6H,7H)-thiones have been prepared by 1,4-cycloaddition of aryl isothiocynates to 5-aryl(aryloxymethyl-2-benzylidene-amino-1,3,4-thiadiazoles (3a-e).The fungicidal activity of compounds has

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