77446-38-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77446-38-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,4 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 77446-38:
(7*7)+(6*7)+(5*4)+(4*4)+(3*6)+(2*3)+(1*8)=159
159 % 10 = 9
So 77446-38-9 is a valid CAS Registry Number.
77446-38-9Relevant articles and documents
4,5,6,11-tetrahydrobenzo [6,7] cycloocta [1,2-b]thiophen-6,11-imines and 6,11-dihydrobenzo [6,7] cycloocta [1,2-b] thiophen-6,11-imines
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, (2008/06/13)
The present invention relates to compounds of the formula STR1 wherein the broken line represents a saturated or an olefinic bond, R1 and R4 are each hydrogen or C1 to C6 alkyl, and R2 and R3/su
