1268840-57-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1268840-57-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,8,8,4 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1268840-57:
(9*1)+(8*2)+(7*6)+(6*8)+(5*8)+(4*4)+(3*0)+(2*5)+(1*7)=188
188 % 10 = 8
So 1268840-57-8 is a valid CAS Registry Number.
1268840-57-8Relevant articles and documents
A ring-closing metathesis approach to the bicyclo[4.3.1]decane core of caryolanes
Goldring, William P.D.,Paden, Warren T.
scheme or table, p. 859 - 862 (2011/03/20)
A synthesis of highly substituted and sterically congested bicyclo[4.3.1]decenes, a structure embedded in the core 4,7,6-tricyclic system of natural caryolanes, was successfully achieved via a ring-closing metathesis (RCM) reaction of syn-1,3-diene substi
