939292-43-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 939292-43-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,9,2,9 and 2 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 939292-43:
(8*9)+(7*3)+(6*9)+(5*2)+(4*9)+(3*2)+(2*4)+(1*3)=210
210 % 10 = 0
So 939292-43-0 is a valid CAS Registry Number.
939292-43-0Relevant articles and documents
Synthesis of Alkyl 5-aryl-7-methyl-1,5-dihydrotetrazolo-[1,5-a]pyrimidine- 6-carboxylates
Gein,Vladimirov,Fedorova,Kurbatova,Nosova,Krylova,Vakhrin
experimental part, p. 699 - 705 (2010/10/04)
Alkyl 5-aryl-7-methyl-1,5-dihydrotetrazolo[1,5-a]pyrimidine-6-carboxylates were obtained by melting acetoacetic acid esters with 5-aminotetrazole and aromatic aldehyde. Pleiades Publishing, Ltd., 2010.