222529-11-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 222529-11-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,2,5,2 and 9 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 222529-11:
(8*2)+(7*2)+(6*2)+(5*5)+(4*2)+(3*9)+(2*1)+(1*1)=105
105 % 10 = 5
So 222529-11-5 is a valid CAS Registry Number.
222529-11-5Relevant articles and documents
Cyclohexanone gem-dicarboxylates - Versatile intermediates for fused heterocycles
Bhaskar Reddy,Ramana Reddy,Padmavathi
, p. 667 - 676 (2007/10/03)
The reactivity of gem-ester group in cyclohexanone-1,1-dicarboxylates (1) was studied by reaction with Cu/quinoline and ceric ammonium nitrate. The resultant cyclohexanone-1-carboxylic acids (2) and cyclohexan-1,4-diones (3) were made use to develop selen
