109685-75-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109685-75-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,6,8 and 5 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 109685-75:
(8*1)+(7*0)+(6*9)+(5*6)+(4*8)+(3*5)+(2*7)+(1*5)=158
158 % 10 = 8
So 109685-75-8 is a valid CAS Registry Number.
109685-75-8Relevant articles and documents
LONG-RANGE SUBSTITUENT EFFECTS. THE REGIOSELECTIVE ELECTROPHILIC ADDITIONS OF EXO-3,6-EPOXYTETRAHYDROPHTHALIDE AND ITS DERIVATIVES.
Ferrari, Tarcisio,Vogel, Pierre
, p. 5507 - 5508 (2007/10/02)
The regioselectivity of electrophilic additions of 7-oxabicyclohept-5-enes can be controlled by carboxylate or dialkoxymethyl substituents at C(2-exo).