77784-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77784-57-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,7,8 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 77784-57:
(7*7)+(6*7)+(5*7)+(4*8)+(3*4)+(2*5)+(1*7)=187
187 % 10 = 7
So 77784-57-7 is a valid CAS Registry Number.
77784-57-7Relevant articles and documents
TOTAL SYNTHESES OF (+/-)-CHANOCLAVINE I AND (+/-)-DIHYDROSETOCLAVINE
Natsume, Mitsutaka,Muratake, Hideaki
, p. 375 - 379 (2007/10/02)
Syntheses of the title ergot alkaloids 5 and 19a were achieved from the common intermediate 2, obtained by a series of reactions including our synthetic method of 4-alkylindoles.