129228-63-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129228-63-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,2,2 and 8 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 129228-63:
(8*1)+(7*2)+(6*9)+(5*2)+(4*2)+(3*8)+(2*6)+(1*3)=133
133 % 10 = 3
So 129228-63-3 is a valid CAS Registry Number.
InChI:InChI=1/C12H9ClN2OS/c13-9-3-1-8(2-4-9)7-10-11(16)15-5-6-17-12(15)14-10/h1-4,7H,5-6H2/b10-7+
129228-63-3Relevant articles and documents
Reactions of 5-arylidene-2-thiohydantoins with halogenated compounds and anthranilic acid
Magd El-Din, Asmaa A.,Elsharabasy, Salwa A.,Hassan, Aisha Y.
, p. 53 - 67 (2007/10/03)
5-arylidene-2-thiohydantoins 1a-c react with ethyl α-chloroacetate 2 and monochloroacetone to give the respective 2-imidazolinones 3a-c and 2-acetonylmercaptohydantoins 9a-c. Compounds 3a-c react with benzenediazonium chloride to afford hydrazones 5a-c. T