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137028-97-8

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137028-97-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137028-97-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,0,2 and 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 137028-97:
(8*1)+(7*3)+(6*7)+(5*0)+(4*2)+(3*8)+(2*9)+(1*7)=128
128 % 10 = 8
So 137028-97-8 is a valid CAS Registry Number.
InChI:InChI=1/C17H25NO4/c1-11(2)8-13(17(21)22)10-15(19)16(20)14(18)9-12-6-4-3-5-7-12/h3-7,11,13-14,16,20H,8-10,18H2,1-2H3,(H,21,22)/t13-,14-,16+/m1/s1

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