DL-(1α,2α,3β,4β,5α)-1,2-anhydro-3-O,4-N-carbonyl-5-O-methyl-4-(methylamino)-1,2,3,5-cyclohexanetetrol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 87902-30-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,9,0 and 2 respectively; the second part has 2 digits, 3 and 0 respectively. Calculate Digit Verification of CAS Registry Number 87902-30: (7*8)+(6*7)+(5*9)+(4*0)+(3*2)+(2*3)+(1*0)=155 155 % 10 = 5 So 87902-30-5 is a valid CAS Registry Number.