73280-21-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73280-21-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,2,8 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 73280-21:
(7*7)+(6*3)+(5*2)+(4*8)+(3*0)+(2*2)+(1*1)=114
114 % 10 = 4
So 73280-21-4 is a valid CAS Registry Number.
73280-21-4Relevant articles and documents
Acylcarbodiimides, III. Preparation and Reactions of (Thiocarbamoyl)carbodiimides
Goerdeler, Joachim,Losch, Rainer
, p. 79 - 89 (2007/10/02)
Starting from 1,1,5-trisubstituted dithiobiuretes (1) and with the aid of cyanuric trichloride/triethylamine several (thiocarbamoyl)carbodiimides (2) were prepared and partly isolated.This procedure can be used only in special cases for the preparation of
