77844-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77844-97-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,4 and 4 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77844-97:
(7*7)+(6*7)+(5*8)+(4*4)+(3*4)+(2*9)+(1*7)=184
184 % 10 = 4
So 77844-97-4 is a valid CAS Registry Number.
InChI:InChI=1/C12H14O4/c1-7-4-8-5-9(14-2)6-10(15-3)11(8)12(13)16-7/h5-7H,4H2,1-3H3
77844-97-4Relevant articles and documents
Direct isocoumarin synthesis through LDA-promoted addition of acetaldehyde on orsellinate. An abrupt synthesis of 6-hydroxymellein, a fungal phytotoxin
Barbier,Devys
, p. 2757 - 2762 (2007/10/02)
The LDA-promoted addition of acetaldehyde on orsellinate gives (±) 6-hydroxymellein, a fungal phytotoxin, with a 51% yield.