94930-55-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94930-55-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,9,3 and 0 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 94930-55:
(7*9)+(6*4)+(5*9)+(4*3)+(3*0)+(2*5)+(1*5)=159
159 % 10 = 9
So 94930-55-9 is a valid CAS Registry Number.
94930-55-9Relevant articles and documents
A HIGH-YIELDING SYNTHESIS OF 3-CYANOPHTHALIDES
Russel, Richard A.,Pilley, Boyd A.,Warrener, Ronald N.
, p. 425 - 430 (2007/10/02)
Dehydration, with dicyclohexylcarbodiimide, of the cyanohydrins derived from the ring open tautomers of the 3-hydroxyphthalides (4) provides an efficient synthesis of 3-cyanophthalides (8a) and its derivatives (8b-f).
