3770-77-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3770-77-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,7 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 3770-77:
(6*3)+(5*7)+(4*7)+(3*0)+(2*7)+(1*7)=102
102 % 10 = 2
So 3770-77-2 is a valid CAS Registry Number.
3770-77-2Relevant articles and documents
TETRAHYDROFURO [3, 2-B] PYRR0L-3-0NE INTERMEDIATES
-
Page/Page column 78-79, (2008/06/13)
The present invention relates to a process for preparing a compound of formula (Ia), (Ib), (Ic) or (Id), or a pharmaceutically acceptable salt, hydrate, solvate, complex or prodrug thereof, said process comprising the steps of: (A) (i) treating a compound