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137372-38-4

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137372-38-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137372-38-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,3,7 and 2 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 137372-38:
(8*1)+(7*3)+(6*7)+(5*3)+(4*7)+(3*2)+(2*3)+(1*8)=134
134 % 10 = 4
So 137372-38-4 is a valid CAS Registry Number.
InChI:InChI=1/C32H40N6O8/c33-23(16-21-10-12-22(39)13-11-21)29(42)35-19-28(41)37-14-4-8-25(37)30(43)34-18-27(40)36-24(17-20-6-2-1-3-7-20)31(44)38-15-5-9-26(38)32(45)46/h1-3,6-7,10-13,23-26,39H,4-5,8-9,14-19,33H2,(H,34,43)(H,35,42)(H,36,40)(H,45,46)/t23-,24-,25-,26-/m0/s1

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