137691-13-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137691-13-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,6,9 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137691-13:
(8*1)+(7*3)+(6*7)+(5*6)+(4*9)+(3*1)+(2*1)+(1*3)=145
145 % 10 = 5
So 137691-13-5 is a valid CAS Registry Number.
137691-13-5Relevant articles and documents
Ethylenically unsaturated compounds
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, (2008/06/13)
Ethylenically unsaturated compounds of the general formula I STR1 where R1 is alkyl of 1 to 4 carbon atoms, cyclopropyl, cyclopentyl, cyclohexyl, phenyl or phenyl in which some or all of the hydrogen atoms have been replaced by radicals R4
