6665-94-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6665-94-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,6,6 and 5 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 6665-94:
(6*6)+(5*6)+(4*6)+(3*5)+(2*9)+(1*4)=127
127 % 10 = 7
So 6665-94-7 is a valid CAS Registry Number.
6665-94-7Relevant articles and documents
STUDIES ON THE TWO-PHASE NITRATION OF SELECTED PHENOLS
Thompson, Malcolm J.,Zeegers, Petrus J.
, p. 2471 - 2474 (1988)
The two phase nitration of several phenols by aqueous acid, sodium nitrate and diethyl ether, yielded as well as the expected nitro-phenols, a benzoquinone.A variable induction period was observed which could be significantly reduced by added sodium nitrite.