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473725-40-5

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473725-40-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 473725-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,3,7,2 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 473725-40:
(8*4)+(7*7)+(6*3)+(5*7)+(4*2)+(3*5)+(2*4)+(1*0)=165
165 % 10 = 5
So 473725-40-5 is a valid CAS Registry Number.

473725-40-5Relevant articles and documents

Synthesis and biocidal activity of 2-aryl/aryloxymethyl-1,3,4-oxa/thiadiazolo [4,5-b][1,2,4]triazolo[5,4-c]thiazolo-spiro-7-cyclohexanes

Nizamuddin,Alauddin, Shafqat,Gupta,Srivastav, Manoj Kumar

, p. 1314 - 1318 (2007/10/03)

2-Aryl/aryloxymethyl-1,3,4-oxa/thiadiazolo [4,5-b][1,2,4)triazolo-[5,4-c]thiazolo-spiro-7-cyclohexane (4 and 8) have been synthesised by cyclisation of 3-[2-aryl/aryloxymethyl-1,3,4-oxa/thiadiazol-5-yl] imino-spiro(cyclohexane-1,2-thiazolidin-4-ones) (3 and 7) with conc. H2SO4 in cold. All compounds have been assayed for their fungicidal activity against Pyricularia oryzae, Pseudopersonospora cubansis, Sphaerotheca fulginea, Phytophthora infestans and Puccinia coronata.

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