74290-93-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74290-93-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,9 and 0 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74290-93:
(7*7)+(6*4)+(5*2)+(4*9)+(3*0)+(2*9)+(1*3)=140
140 % 10 = 0
So 74290-93-0 is a valid CAS Registry Number.
74290-93-0Relevant articles and documents
2-ARYL-1,3-THIAZETIDINES FROM ETHYLENE THIOUREA
Yokoyama, Masataka,Monma, Hiromichi
, p. 293 - 296 (2007/10/02)
Several 2-aryl-1,3-thiazetidine derivatives were prepared by the condensation reaction of ethylene thiourea and aromatic aldehydes using boron trifluoride etherate.
