73274-92-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73274-92-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,2,7 and 4 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 73274-92:
(7*7)+(6*3)+(5*2)+(4*7)+(3*4)+(2*9)+(1*2)=137
137 % 10 = 7
So 73274-92-7 is a valid CAS Registry Number.
73274-92-7Relevant articles and documents
A Convenient Total Synthesis of (+/-)-Isoochracinic Acid, a Phthalide from Alternaria kikuchiana
Yeola, Suresh N.,Mali, R. S.
, p. 804 - 806 (2007/10/02)
Total synthesis of (+/-)-isoochracinic acid (7), starting from 2-formyl-6-methoxybenzoic acid (3) as the key intermediate is described.Compound (3) is obtained by heteroatom directed lithiation reaction on 2-methoxy-N-methylbenzamide (1).