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172691-05-3

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172691-05-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172691-05-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,6,9 and 1 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 172691-05:
(8*1)+(7*7)+(6*2)+(5*6)+(4*9)+(3*1)+(2*0)+(1*5)=143
143 % 10 = 3
So 172691-05-3 is a valid CAS Registry Number.

172691-05-3Relevant articles and documents

Synthesis of 2,5-disubstituted-1,3,4-oxadiazole, 1,5-disubstituted-2-mercapto-1,3,4-triazole and 2,5-disubstituted-1,3,4-thiadiazole derivatives as potential antimicrobial agents

Vashi,Mehta,Shah

, p. 111 - 115 (2007/10/03)

p-Nitrosothymoxyacetic acid hydrazide 1 has been synthesised from ethyl p-nitrosothymoxy acetate on condensation with hydrazine hydrate. Compound 1 on treatment with arylisocyanates yields its thiosemicarbazides 2. Compounds 2 on chemoselective heterocycl

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