189329-56-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 189329-56-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,3,2 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 189329-56:
(8*1)+(7*8)+(6*9)+(5*3)+(4*2)+(3*9)+(2*5)+(1*6)=184
184 % 10 = 4
So 189329-56-4 is a valid CAS Registry Number.
189329-56-4Relevant articles and documents
Synthesis of 7-sulfonyl-substituted norpinan-6-ones and -thiones from 1-bromotricyclo[4.1.0.02,7]heptane
Vasin,Korovin,Petrov,Razin,Somov
, p. 1697 - 1702 (2015)
1-Bromotricyclo[4.1.0.02,7]heptane reacted with benzene- and methanesulfonyl thiocyanates in benzene at 20°C via anti addition to the central C1-C7 bicyclobutane bond with formation of 6-endo-bromo-6-exo-thiocyanato-7-syn-
