78016-70-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 78016-70-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,0,1 and 6 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 78016-70:
(7*7)+(6*8)+(5*0)+(4*1)+(3*6)+(2*7)+(1*0)=133
133 % 10 = 3
So 78016-70-3 is a valid CAS Registry Number.
78016-70-3Relevant articles and documents
SYNTHESIS OF BRIDGEHEAD CHLORO-, BROMO- AND IODOBICYCLOOCTANES
Kopecky, Jan,Smejkal, Jaroslav
, p. 2965 - 2970 (2007/10/02)
The paper describes transformations of hydroxy-, acetoxy- or methoxy-bridgehead bicyclooctanes into bridgehead chloro, bromo or iodo derivatives by action of inorganic halides in the medium of orthophosphoric or polyphosphoric acids.