103722-59-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103722-59-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,7,2 and 2 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 103722-59:
(8*1)+(7*0)+(6*3)+(5*7)+(4*2)+(3*2)+(2*5)+(1*9)=94
94 % 10 = 4
So 103722-59-4 is a valid CAS Registry Number.
103722-59-4Relevant articles and documents
AN EFFICIENT METHOD FOR THE CONVERSION OF ARYLHYDRAZINES INTO 2-ARYL-4,4-DIALKYLSEMICARBAZIDES
Pilgram, K. H.
, p. 697 - 706 (2007/10/02)
Arylhydrazines are converted into 2-aryl-4,4-dialkylsemicarbazides by subsequent reaction with chloroformate, phosgene, dialkylamine, and alkaline hydrolysis.
