70593-67-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70593-67-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,5,9 and 3 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 70593-67:
(7*7)+(6*0)+(5*5)+(4*9)+(3*3)+(2*6)+(1*7)=138
138 % 10 = 8
So 70593-67-8 is a valid CAS Registry Number.
70593-67-8Relevant articles and documents
A Simple Route to 2H-Naphtho1,2,3-triazoles
Hartmann, H.,Schulze, M.,Guenther, R.
, p. 331 - 335 (2007/10/02)
1-Arylazo-2-chloro-naphthalenes 9a-9k and 2,4-diarylazo-1-chloronaphthalenes 10a-10c are transformed by the reaction with sodium azide into 2-arylsubstituted 2H-Naphtho1,2,3-triazoles 13a-13k and 14a-14c, resp., which exhibit fluorescence if they a