190787-45-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 190787-45-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,0,7,8 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 190787-45:
(8*1)+(7*9)+(6*0)+(5*7)+(4*8)+(3*7)+(2*4)+(1*5)=172
172 % 10 = 2
So 190787-45-2 is a valid CAS Registry Number.
190787-45-2Relevant articles and documents
A convenient synthesis of 15N-labeled diethylenetriamine [(15N)dien] and ethylenediamine [(15N)En]
Zang, Erle,Sadler, Peter J.
, p. 410 - 412 (1997)
(15N)Dien and (15N)en have been synthesized from 15N-glycine via amidation and reduction reactions with trityl as amino-protective group. The method is economic, mild and easy to handle.
