75121-44-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75121-44-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,1,2 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 75121-44:
(7*7)+(6*5)+(5*1)+(4*2)+(3*1)+(2*4)+(1*4)=107
107 % 10 = 7
So 75121-44-7 is a valid CAS Registry Number.
75121-44-7Relevant academic research and scientific papers
REDUKTIVE CYCLISIERUNGEN AM (Z)-3-HEXEN-1,5-DIIN-SYSTEM - ZUR DARSTELLUNG DES 2,3,6,7-TETRA-TERT-BUTYLNAPHTHALINS
Hauptmann, H.,Mader, M.
, p. 897 - 898 (2007/10/02)
The o-diethinylbenzene 5 and the 2,3,6,7-tetra-tert-butylnaphthaline 6 are derived from 4 resp. 5 by reductive cyclization reactions with lithium or lithium (dilithium) naphthalenide.
