77331-73-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77331-73-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,3,3 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 77331-73:
(7*7)+(6*7)+(5*3)+(4*3)+(3*1)+(2*7)+(1*3)=138
138 % 10 = 8
So 77331-73-8 is a valid CAS Registry Number.
77331-73-8Relevant articles and documents
SYNTHESIS AND STRUCTURAL PROOF OF WAIROL, A NEW COUMESTAN FROM MEDICAGO SATIVA
Shaw, G. John,Yates, Martin K.,Biggs, David R.
, p. 249 - 250 (1982)
Wairol, a coumestan from Medicago sativa, has been synthesized and its structure thereby has been confirmed.Key Word Index - Medicago sativa; Leguminosae; synthesis; 3-hydroxy-7,9-dimethoxycoumestan; wairol.