139697-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139697-54-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,6,9 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 139697-54:
(8*1)+(7*3)+(6*9)+(5*6)+(4*9)+(3*7)+(2*5)+(1*4)=184
184 % 10 = 4
So 139697-54-4 is a valid CAS Registry Number.
139697-54-4Relevant articles and documents
Access to 1,2-diketones by an unusual radical cascade
Heng, Rama,Zard, Samir Z.
supporting information; experimental part, p. 3296 - 3298 (2011/05/05)
An unusual radical fragmentation of an unstrained cyclohexane structure was observed leading to complex 1,2-diketones.
